Dimethyl sulfate

Melting point :-32 °C
Boiling point :188 °C(lit.)
Density :1.333 g/mL at 25 °C(lit.)
vapor density :4.3 (vs air)
vapor pressure :0.7 mm Hg ( 25 °C)
refractive index :n20/D 1.386(lit.)
Flash point :182 °F
storage temp. :2-8°C
solubility :ethanol: 0.26 g/mL, clear, colorless
form :Liquid
color :Clear colorless
Odor :Almost odorless
explosive limit :3.6-23.2% (v/v)
Water Solubility :2.8 g/100 mL (18 ºC)
Merck :13,3282
BRN :635994
Henry's Law Constant :6.9×10⁰ mol/(m³Pa) at 25℃, Hilal et al. (2008)
Exposure limits :TLV/PEL-TWA skin 0.1 ppm (0.52 mg/m³ ) (ACGIH, OSHA, NIOSH) IDLH 10 ppm (NIOSH).
Dielectric constant :55.0（20℃）
Stability :Stable; combustible. Incompatible with strong oxidizing agents, strong bases including ammonia. Moisture-sensitive.
InChI :1S/C2H6O4S/c1-5-7(3,4)6-2/h1-2H3
InChIKey :VAYGXNSJCAHWJZ-UHFFFAOYSA-N
SMILES :COS(=O)(=O)OC
CAS DataBase Reference :77-78-1(CAS DataBase Reference)
IARC :2A (Vol. 4, Sup 7, 71) 1999
NIST Chemistry Reference :Sulfuric acid, dimethyl ester(77-78-1)
EPA Substance Registry System :Dimethyl sulfate (77-78-1)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501 H350 May cause cancer Carcinogenicity Category 1A, 1B Danger H361 Suspected of damaging fertility or the unborn child Reproductive toxicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501 H370 Causes damage to organs Specific target organ toxicity, single exposure Category 1 Danger P260, P264, P270, P307+P311, P321,P405, P501 H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P284 Wear respiratory protection. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P333+P313 IF SKIN irritation or rash occurs: Get medical advice/attention. P391 Collect spillage. Hazardous to the aquatic environment P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up. P501 Dispose of contents/container to..…