Methylisothiocyanate

Item number	674784
CAS	556-61-6
Formula	C2H3NS
Molecular weight	73,12 g/mol
Quantity	1X250MG
storage conditions	4 °C
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Methylisothiocyanate		674784 556-61-6	1X250MG	Please log in.

Safety Data Sheet	according to Regulation (EC) No 1907/2006 (REACH) Classifications according to Regulation (EC) No 1272/2008. Printdate 03.05.2025
IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING
Product name:	Methylisothiocyanate
Catalog No.:	674784
Relevant identified uses of the substance or mixture	Identified: Laboratory chemical uses: R&D
Uses advised against:	HPC Standards GmbH Am Wieseneck 7 04451 Cunnersdorf Deutschland Tel. +49 34291 3372-36 Fax. +49 34291 3372-39 contact@hpc-standards.com
Emergency telephone number	HPC Standards Tel. +49 34291 3372-36 This number is only available during office hours.
HAZARDS IDENTIFICATION	2.1 Classification of the substance or mixture Classification according to Regulation (EC) No 1272/2008 [EU-GHS/CLP] Acute toxicity, Oral (Category 3) Acute toxicity, Inhalation (Category 2) Acute toxicity, Dermal (Category 1) Skin corrosion (Category 1B) Skin sensitization (Category 1) Acute aquatic toxicity (Category 1) Chronic aquatic toxicity (Category 1) Classification according to EU Directives 67/548/EEC or 1999/45/EC Causes burns. Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. May cause sensitization by skin contact. Toxic by inhalation and if swallowed.
Label elements
Pictogram	GHS05 acid acid GHS06 skull skull GHS09 Aquatic-pollut-red Aquatic-pollut-red
	Signal word Danger Hazard statement(s) H301 Toxic if swallowed. H310 Fatal in contact with skin. H314 Causes severe skin burns and eye damage. H317 May cause an allergic skin reaction. H330 Fatal if inhaled. H410 Very toxic to aquatic life with long lasting effects. Precautionary statement(s) P260 Do not breathe dust/ fume/ gas/ mist/ vapours/ spray. P273 Avoid release to the environment. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P284 Wear respiratory protection. P301 + P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/ physician. P302 + P350 IF ON SKIN: Gently wash with plenty of soap and water. Supplemental Hazard Statements None R-phrase(s) R34 Causes burns. R43 May cause sensitization by skin contact. R50/53 Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R23/25 Toxic by inhalation and if swallowed. S-phrase(s) S36/37 Wear suitable protective clothing and gloves. S38 In case of insufficient ventilation, wear suitable respiratory equipment. S45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). S60 This material and its container must be disposed of as hazardous waste. S61 Avoid release to the environment. Refer to special instructions/ Safety data sheets. 2.3 Other hazards Lachrymator.
COMPOSITION/INFORMATION ON INGREDIENTS	3.1 Substances Formula : C2H3NS Molecular Weight : 73,12 g/mol Component Concentration Methyl isothiocyanate CAS-No. EC-No. Index-No. 556-61-6 209-132-5 615-002-00-2 -
Formula	C2H3NS
Molecular Weight (g/mol)	73.12
CAS-No.	556-61-6
FIRST AID MEASURES	4.1 Description of first aid measures General advice Consult a physician. Show this safety data sheet to the doctor in attendance. If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. In case of skin contact Take off contaminated clothing and shoes immediately. Wash off with soap and plenty of water. Take victim immediately to hospital. Consult a physician. In case of eye contact Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. If swallowed Do NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician. 4.2 Most important symptoms and effects, both acute and delayed Cough, Shortness of breath, Headache, Nausea, Vomiting, Repeated exposure may cause asthma., Lung irritation 4.3 Indication of any immediate medical attention and special treatment needed no data available
FIRE-FIGHTING MEASURES	5.1 Extinguishing media Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. 5.2 Special hazards arising from the substance or mixture Carbon oxides, nitrogen oxides (NOx), Sulphur oxides 5.3 Advice for firefighters Wear self contained breathing apparatus for fire fighting if necessary. 5.4 Further information no data available
ACCIDENTAL RELEASE MEASURES	6.1 Personal precautions, protective equipment and emergency procedures Wear respiratory protection. Avoid dust formation. Avoid breathing vapors, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. 6.2 Environmental precautions Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. 6.3 Methods and materials for containment and cleaning up Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed containers for disposal. 6.4 Reference to other sections For disposal see section 13.
HANDLING AND STORAGE	7.1 Precautions for safe handling Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Provide appropriate exhaust ventilation at places where dust is formed. 7.2 Conditions for safe storage, including any incompatibilities Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Recommended storage temperature: 2 - 8 °C Moisture sensitive. 7.3 Specific end use(s) no data available
EXPOSURE CONTROLS/PERSONAL PROTECTION	8.1 Control parameters Components with workplace control parameters 8.2 Exposure controls Appropriate engineering controls Avoid contact with skin, eyes and clothing. Wash hands before breaks and immediately after handling the product. Personal protective equipment Eye/face protection Face shield and safety glasses Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. Body Protection Complete suit protecting against chemicals, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Respiratory protection Where risk assessment shows air-purifying respirators are appropriate use a full-face particle respirator type N100 (US) or type P3 (EN 143) respirator cartridges as a backup to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).
PHYSICAL AND CHEMICAL PROPERTIES	9.1 Information on basic physical and chemical properties a) Appearance Form: amorphous, solid, crystalline Colour: colourless b) Odour no data available c) Odour Threshold no data available d) pH no data available e) Melting point/freezing point Melting point/range: 30 - 34 °C - lit. f) Initial boiling point and boiling range 117 - 118 °C - lit. g) Flash point 30 °C - closed cup h) Evaporation rate no data available i) Flammability (solid, gas) no data available j) Upper/lower flammability or explosive limits no data available k) Vapour pressure 40 hPa at 30 °C 28 hPa at 20 °C l) Vapour density no data available m) Relative density 1,069 g/cm3 at 25 °C n) Water solubility soluble o) Partition coefficient: noctanol/ water log Pow: 0,94 p) Auto-ignition temperature no data available q) Decomposition temperature no data available r) Viscosity no data available s) Explosive properties no data available t) Oxidizing properties no data available 9.2 Other safety information no data available
STABILITY AND REACTIVITY	10.1 Reactivity no data available 10.2 Chemical stability no data available 10.3 Possibility of hazardous reactions no data available 10.4 Conditions to avoid Heat. 10.5 Incompatible materials Alcohols, Strong bases, Amines, Strong oxidizing agents 10.6 Hazardous decomposition products Other decomposition products - no data available
TOXICOLOGICAL INFORMATION	11.1 Information on toxicological effects Acute toxicity LD50 Oral - rat - 72 mg/kg LC50 Inhalation - rat - 1 h - 1.900 mg/m3 LD50 Dermal - rat - 198 mg/kg Skin corrosion/irritation Skin - rabbit - Skin irritation - 24 h Serious eye damage/eye irritation Eyes - rabbit - Severe eye irritation Respiratory or skin sensitization May cause allergic skin reaction. Germ cell mutagenicity no data available Carcinogenicity IARC: No component of this product present at levels greater than or equal to 0.1% is identified as probable, possible or confirmed human carcinogen by IARC. Reproductive toxicity Reproductive toxicity - rat - Oral Maternal Effects: Other effects. Specific target organ toxicity - single exposure no data available Specific target organ toxicity - repeated exposure no data available Aspiration hazard no data available Potential health effects Inhalation May be fatal if inhaled. Material is extremely destructive to the tissue of the mucous membranes and upper respiratory tract. Ingestion Toxic if swallowed. Causes burns. Skin May be fatal if absorbed through skin. Causes skin burns. Eyes Causes eye burns. Signs and Symptoms of Exposure Cough, Shortness of breath, Headache, Nausea, Vomiting, Repeated exposure may cause asthma., Lung Irritation Additional Information RTECS: PA9625000
ECOLOGICAL INFORMATION	12.1 Toxicity Toxicity to fish LC50 - Oncorhynchus mykiss (rainbow trout) - 0,078 mg/l - 96,0 h Toxicity to daphnia and other aquatic invertebrates EC50 - Daphnia magna (Water flea) - 0,18 - 0,56 mg/l - 48 h 12.2 Persistence and degradability no data available 12.3 Bioaccumulative potential no data available 12.4 Mobility in soil no data available 12.5 Results of PBT and vPvB assessment no data available 12.6 Other adverse effects Very toxic to aquatic life with long lasting effects.
DISPOSAL CONSIDERATIONS	13.1 Waste treatment methods Product Offer surplus and non-recyclable solutions to a licensed disposal company. Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. Contaminated packaging Dispose of as unused product.
TRANSPORT INFORMATION	14.1 UN number ADR/RID: 2477 IMDG: 2477 IATA: 2477 14.2 UN proper shipping name ADR/RID: METHYL ISOTHIOCYANATE IMDG: METHYL ISOTHIOCYANATE IATA: Methyl isothiocyanate Passenger Aircraft: Not permitted for transport Cargo Aircraft: Not permitted for transport 14.3 Transport hazard class(es) ADR/RID: 6.1 (3) IMDG: 6.1 (3) IATA: 6.1 (3) 14.4 Packaging group ADR/RID: I IMDG: I IATA: - 14.5 Environmental hazards ADR/RID: yes IMDG Marine Pollutant: yes IATA: no 14.6 Special precautions for user no data available
REGULATORY INFORMATION	This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006. 15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture no data available 15.2 Chemical Safety Assessment no data available
OTHER INFORMATION	The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. For lab use only!

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Methylisothiocyanate