Revision Date 13-Jul-2018 Revision Number 1 SECTION 1: IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING

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1 Revision Number 1 SECTION 1: IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING 1.1. Product identification Product Description: Cat No. : Molecular Formula (NH4)2 Cr2 O7 in H2 O 1.2. Relevant identified uses of the substance or mixture and uses advised against Recommended Use Uses advised against Laboratory chemicals. No Information available 1.3. Details of the supplier of the safety data sheet Company address 1.4. Emergency telephone number Thermo Fisher (Kandel) GmbH. Zeppelinstr. 7b Karlsruhe / Germany Tel: +49 (0) Fax: +49 (0) tech@alfa.com Product safety Tel (0) Carechem 24: +44 (0) (Multi-language emergency number) Poison Information Center Mainz Telephone: +49(0)6131/19240 SECTION 2: HAZARDS IDENTIFICATION 2.1. Classification of the substance or mixture CLP Classification - Regulation (EC) No 1272/2008 Physical hazards Based on available data, the classification criteria are not met Health hazards Germ Cell Mutagenicity Carcinogenicity Category 1B (H340) Category 1B (H350) Environmental hazards Based on available data, the classification criteria are not met 2.2. Label elements Page 1 / 11

2 Signal Word Danger Hazard Statements H340 - May cause genetic defects H350 - May cause cancer EUH208 - Contains Chromium. May produce an allergic reaction Precautionary Statements P201 - Obtain special instructions before use P280 - Wear protective gloves/ protective clothing/ eye protection/ face protection P308 + P313 - IF exposed or concerned: Get medical advice/ attention Additional EU labelling Restricted to professional users 2.3. Other hazards SECTION 3: COMPOSITION/INFORMATION ON INGREDIENTS 3.2. Mixtures Component CAS-No EC-No. Weight % CLP Classification - Regulation (EC) No 1272/2008 Water Ammonium bichromate EEC No Ox. Sol. 2 (H272) Acute Tox. 3 (H301) Acute Tox. 4 (H312) Acute Tox. 2 (H330) Skin Corr. 1B (H314) Skin Sens. 1 (H317) Resp. Sens. 1 (H334) Muta. 1B (H340) Carc. 1B (H350) Repr. 1B (H360FD) STOT RE 1 (H372) Aquatic Acute 1 (H400) Aquatic Chronic 1 (H410) Full text of Hazard Statements: see section 16 SECTION 4: FIRST AID MEASURES Page 2 / 11

3 4.1. Description of first aid measures General Advice Eye Contact Skin Contact Ingestion Inhalation Self-Protection of the First Aider If symptoms persist, call a physician. Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Get medical attention. Wash off immediately with plenty of water for at least 15 minutes. If skin irritation persists, call a physician. Clean mouth with water and drink afterwards plenty of water. Move to fresh air. If not breathing, give artificial respiration. Get medical attention if symptoms occur. Ensure that medical personnel are aware of the material(s) involved, take precautions to protect themselves and prevent spread of contamination Most important symptoms and effects, both acute and delayed None reasonably foreseeable Indication of any immediate medical attention and special treatment needed Notes to Physician Treat symptomatically. SECTION 5: FIREFIGHTING MEASURES 5.1. Extinguishing media Suitable Extinguishing Media Not combustible. Extinguishing media which must not be used for safety reasons Special hazards arising from the substance or mixture None reasonably foreseeable. Hazardous Combustion Products Nitrogen oxides (NOx), Ammonia, Chromium oxides Advice for firefighters As in any fire, wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full protective gear. SECTION 6: ACCIDENTAL RELEASE MEASURES 6.1. Personal precautions, protective equipment and emergency procedures Ensure adequate ventilation. Use personal protective equipment Environmental precautions Should not be released into the environment. See Section 12 for additional ecological information. Do not allow material to contaminate ground water system. Do not flush into surface water or sanitary sewer system. Page 3 / 11

4 6.3. Methods and material for containment and cleaning up Soak up with inert absorbent material. Keep in suitable, closed containers for disposal Reference to other sections Refer to protective measures listed in Sections 8 and 13. SECTION 7: HANDLING AND STORAGE 7.1. Precautions for safe handling Wear personal protective equipment. Ensure adequate ventilation. Do not get in eyes, on skin, or on clothing. Avoid ingestion and inhalation. Hygiene Measures Handle in accordance with good industrial hygiene and safety practice. Keep away from food, drink and animal feeding stuffs. Do not eat, drink or smoke when using this product. Remove and wash contaminated clothing before re-use. Wash hands before breaks and at the end of workday Conditions for safe storage, including any incompatibilities Keep container tightly closed in a dry and well-ventilated place Specific end use(s) Use in laboratories SECTION 8: EXPOSURE CONTROLS/PERSONAL PROTECTION 8.1. Control parameters Exposure limits List source(s): UK - EH40/2005 Containing the workplace exposure limits (WELs) for use with the Control of Substances Hazardous to Health Regulations (COSHH) 2002 (as amended). Updated by September 2006 official press release and October 2007 Supplement. Component European Union The United Kingdom France Belgium Spain Ammonium bichromate STEL: 0.15 mg/m 3 15 min TWA: 0.05 mg/m 3 8 hr Resp. Sens. TWA / VME: mg/m 3 (8 heures). restrictive limit STEL / VLCT: mg/m 3. restrictive limit TWA / VLA-ED: 0.05 mg/m 3 (8 horas) Component Italy Germany Portugal The Netherlands Finland Ammonium Haut bichromate TWA: 0.5 mg/m 3 8 horas TWA: 0.05 mg/m 3 8 horas TWA: mg/m 3 8 tunteina Component Austria Denmark Switzerland Poland Norway Ammonium Haut bichromate Haut/Peau TWA: mg/m 3 8 Stunden TWA: mg/m 3 8 timer Page 4 / 11

5 Biological limit values This product, as supplied, does not contain any hazardous materials with biological limits established by the region specific regulatory bodies Monitoring methods MDHS 91 Metals and metalloids in workplace air by X-ray fluorescence spectrometry MDHS 99 Metals in air by ICP-AES Derived No Effect Level (DNEL) Route of exposure Acute effects (local) Acute effects (systemic) Oral Dermal Inhalation Chronic effects (local) Chronic effects (systemic) Predicted No Effect Concentration (PNEC) Exposure controls Engineering Measures Ensure adequate ventilation, especially in confined areas. Wherever possible, engineering control measures such as the isolation or enclosure of the process, the introduction of process or equipment changes to minimise release or contact, and the use of properly designed ventilation systems, should be adopted to control hazardous materials at source Personal protective equipment Eye Protection Safety glasses with side-shields (European standard - EN 166) Hand Protection Protective gloves Glove material Breakthrough time Glove thickness EU standard Glove comments Natural rubber See manufacturers - EN 374 (minimum requirement) Nitrile rubber recommendations Neoprene PVC Skin and body protection Long sleeved clothing Inspect gloves before use. observe the instructions regarding permeability and breakthrough time which are provided by the supplier of the gloves. (Refer to manufacturer/supplier for information) gloves are suitable for the task: Chemical compatability, Dexterity, Operational conditions, User susceptibility, e.g. sensitisation effects, also take into consideration the specific local conditions under which the product is used, such as the danger of cuts, abrasion. gloves with care avoiding skin contamination. Respiratory Protection Large scale/emergency use Small scale/laboratory use When workers are facing concentrations above the exposure limit they must use appropriate certified respirators. To protect the wearer, respiratory protective equipment must be the correct fit and be used and maintained properly Use a NIOSH/MSHA or European Standard EN 136 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced Recommended Filter type: Organic gases and vapours filter Particulates filter conforming to EN 143 Use a NIOSH/MSHA or European Standard EN 149:2001 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Page 5 / 11

6 Recommended half mask:- Particle filtering: EN149:2001 When RPE is used a face piece Fit Test should be conducted Environmental exposure controls. SECTION 9: PHYSICAL AND CHEMICAL PROPERTIES 9.1. Information on basic physical and chemical properties Appearance Physical State Yellow Liquid Odor Odorless Odor Threshold ph Melting Point/Range Softening Point Boiling Point/Range Flash Point Method - Evaporation Rate Flammability (solid,gas) Not applicable Liquid Explosion Limits Vapor Pressure <= C Vapor Density (Air = 1.0) Specific Gravity / Density Bulk Density Not applicable Liquid Water Solubility Miscible Solubility in other solvents Partition Coefficient (n-octanol/water) Autoignition Temperature Decomposition Temperature Viscosity Explosive Properties Oxidizing Properties 9.2. Other information Molecular Formula (NH4)2 Cr2 O7 in H2 O SECTION 10: STABILITY AND REACTIVITY Reactivity None known, based on information available Chemical stability Stable under normal conditions Possibility of hazardous reactions Hazardous Polymerization Hazardous Reactions Conditions to avoid. None under normal processing. Incompatible products. Excess heat Incompatible materials Page 6 / 11

7 None known Hazardous decomposition products Nitrogen oxides (NOx). Ammonia. Chromium oxides. SECTION 11: TOXICOLOGICAL INFORMATION Information on toxicological effects Product Information (a) acute toxicity; Oral Dermal Inhalation Based on available data, the classification criteria are not met Based on available data, the classification criteria are not met Based on available data, the classification criteria are not met Toxicology data for the components Component LD50 Oral LD50 Dermal LC50 Inhalation Water - Ammonium bichromate LD50 = 48 mg/kg ( Rat ) LD50 = 1860 mg/kg ( Rabbit ) LC50 = 0.2 mg/l ( Rat ) 4 h (b) skin corrosion/irritation; (c) serious eye damage/irritation; (d) respiratory or skin sensitization; Respiratory Skin (e) germ cell mutagenicity; (f) carcinogenicity; Category 1B Category 1B The table below indicates whether each agency has listed any ingredient as a carcinogen Component EU UK Germany IARC Ammonium bichromate Carc Cat. 1B Group 1 (g) reproductive toxicity; (h) STOT-single exposure; (i) STOT-repeated exposure; Target Organs None known. (j) aspiration hazard; Symptoms / effects,both acute and delayed SECTION 12: ECOLOGICAL INFORMATION Page 7 / 11

8 12.1. Toxicity Ecotoxicity effects May cause long-term adverse effects in the environment. Do not allow material to contaminate ground water system. Component Freshwater Fish Water Flea Freshwater Algae Microtox Ammonium bichromate LC50: = 136 mg/l, 96h (Gambusia affinis) Persistence and degradability The product includes heavy metals. Prevent release into the environment. Special pretreatment required Persistence based on information available, May persist. Degradation in sewage Contains substances known to be hazardous to the environment or not degradable in waste treatment plant water treatment plants Bioaccumulative potential May have some potential to bioaccumulate Mobility in soil The product is water soluble, and may spread in water systems Will likely be mobile in the environment due to its water solubility. Highly mobile in soils Results of PBT and vpvb assessment Other adverse effects Endocrine Disruptor Information Persistent Organic Pollutant Ozone Depletion Potential for assessment. This product does not contain any known or suspected endocrine disruptors This product does not contain any known or suspected substance This product does not contain any known or suspected substance SECTION 13: DISPOSAL CONSIDERATIONS Waste treatment methods Waste from Residues / Unused Products Contaminated Packaging European Waste Catalogue (EWC) Other Information Waste is classified as hazardous. Dispose of in accordance with the European Directives on waste and hazardous waste. Dispose of in accordance with local regulations. Dispose of this container to hazardous or special waste collection point. According to the European Waste Catalogue, Waste Codes are not product specific, but application specific. Waste codes should be assigned by the user based on the application for which the product was used. Do not empty into drains. SECTION 14: TRANSPORT INFORMATION IMDG/IMO Not regulated UN number UN proper shipping name Transport hazard class(es) Packing group ADR Not regulated UN number Page 8 / 11

9 14.2. UN proper shipping name Transport hazard class(es) Packing group IATA Not regulated UN number UN proper shipping name Transport hazard class(es) Packing group Environmental hazards No hazards identified Special precautions for user No special precautions required Transport in bulk according to Annex II of MARPOL73/78 and the IBC Code Not applicable, packaged goods SECTION 15: REGULATORY INFORMATION Safety, health and environmental regulations/legislation specific for the substance or mixture International Inventories X = listed. Component EINECS ELINCS NLP TSCA DSL NDSL PICCS ENCS IECSC AICS KECL Water X X - X - X X X Ammonium bichromate X X - X X X X X Component REACH (1907/2006) - Annex XIV - Substances Subject to Authorization Ammonium bichromate Carcinogenic Category 1B, Mutagenic Category 1B, Toxic for reproduction Category 1B Article 57 Application date: March 21, 2016 Sunset date: September 21, 2017 Exemption - None REACH (1907/2006) - Annex XVII - Restrictions on Certain Dangerous Substances Use restricted. See item 28. (see exuriserv.do?uri=celex:32006r190 7:EN:NOT for restriction details) Use restricted. See item 30. (see exuriserv.do?uri=celex:32006r190 7:EN:NOT for restriction details) Use restricted. See item 29. (see exuriserv.do?uri=celex:32006r190 7:EN:NOT for restriction details) REACH Regulation (EC 1907/2006) article 59 - Candidate List of Substances of Very High Concern (SVHC) SVHC Candidate list Carcinogenic, Article 57a;Mutagenic, Article 57b;Toxic for reproduction, Article 57c National Regulations WGK Classification Water endangering class = 3 (self classification) Component Germany - Water Classification (VwVwS) Germany - TA-Luft Class Ammonium bichromate WGK 3 Take note of Control of Substances Hazardous to Health Regulations (COSHH) 2002 and 2005 Amendment. Take note of Dir 76/769/EEC relating to restrictions on the marketing and use of certain dangerous substances and preparations Page 9 / 11

10 15.2. Chemical safety assessment Chemical Safety Assessment/Reports (CSA/CSR) are not required for mixtures SECTION 16: OTHER INFORMATION Full text of H-Statements referred to under sections 2 and 3 H340 - May cause genetic defects H350 - May cause cancer H272 - May intensify fire; oxidizer H301 - Toxic if swallowed H312 - Harmful in contact with skin H314 - Causes severe skin burns and eye damage H317 - May cause an allergic skin reaction H330 - Fatal if inhaled H334 - May cause allergy or asthma symptoms or breathing difficulties if inhaled H360FD - May damage fertility. May damage the unborn child H360Fd - May damage fertility. Suspected of damaging the unborn child H372 - Causes damage to organs through prolonged or repeated exposure H400 - Very toxic to aquatic life H410 - Very toxic to aquatic life with long lasting effects Legend CAS - Chemical Abstracts Service TSCA - United States Toxic Substances Control Act Section 8(b) Inventory EINECS/ELINCS - European Inventory of Existing Commercial Chemical DSL/NDSL - Canadian Domestic Substances List/Non-Domestic Substances/EU List of Notified Chemical Substances Substances List PICCS - Philippines Inventory of Chemicals and Chemical Substances ENCS - Japanese Existing and New Chemical Substances IECSC - Chinese Inventory of Existing Chemical Substances AICS - Australian Inventory of Chemical Substances KECL - Korean Existing and Evaluated Chemical Substances NZIoC - New Zealand Inventory of Chemicals WEL - Workplace Exposure Limit TWA - Time Weighted Average ACGIH - American Conference of Governmental Industrial Hygienists IARC - International Agency for Research on Cancer DNEL - Derived No Effect Level PNEC - Predicted No Effect Concentration RPE - Respiratory Protective Equipment LD50 - Lethal Dose 50% LC50 - Lethal Concentration 50% EC50 - Effective Concentration 50% NOEC - No Observed Effect Concentration POW - Partition coefficient Octanol:Water PBT - Persistent, Bioaccumulative, Toxic vpvb - very Persistent, very Bioaccumulative ADR - European Agreement Concerning the International Carriage of ICAO/IATA - International Civil Aviation Organization/International Air Dangerous Goods by Road Transport Association IMO/IMDG - International Maritime Organization/International Maritime MARPOL - International Convention for the Prevention of Pollution from Dangerous Goods Code Ships OECD - Organisation for Economic Co-operation and Development ATE - Acute Toxicity Estimate BCF - Bioconcentration factor VOC - Volatile Organic Compounds Key literature references and sources for data Suppliers safety data sheet, Chemadvisor - LOLI, Merck index, RTECS Classification and procedure used to derive the classification for mixtures according to Regulation (EC) 1272/2008 [CLP]: Physical hazards On basis of test data Health Hazards Calculation method Environmental hazards Calculation method Training Advice Chemical hazard awareness training, incorporating labelling, Safety Data Sheets (SDS), Personal Protective Equipment (PPE) and hygiene. Use of personal protective equipment, covering appropriate selection, compatibility, breakthrough thresholds, care, maintenance, fit and standards. First aid for chemical exposure, including the use of eye wash and safety showers. Prepared By Health, Safety and Environmental Department Page 10 / 11

11 Revision Date 13-Jul-2018 Revision Summary SDS authoring systems update, replaces ChemGes SDS No. 2,327. Disclaimer The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a warranty or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text End of Safety Data Sheet Page 11 / 11