41610

Dimethyl sulfate

puriss. p.a., ≥99.0% (GC)

• 동의어(들): Sulfuric acid dimethyl ester
• Linear Formula: (CH₃O)₂SO₂
• CAS Number: 77-78-1
• Molecular Weight: 126.13
• Beilstein: 635994
• EC Number: 201-058-1
• MDL number: MFCD00008416
• UNSPSC 코드: 12352100
• PubChem Substance ID: 57650074
• NACRES: NA.21

속성

• vapor density: 4.3 (vs air)
• Quality Level: 200
• vapor pressure: 0.7 mmHg ( 25 °C)
• grade: puriss. p.a.
• 분석: ≥99.0% (GC)
• 양식: liquid
• autoignition temp.: 923 °F
• 불순물: ≤0.4% free acid (as H₂SO₄)
• 무기 잔류물: ≤0.02%
• refractive index: n20/D 1.386 (lit.); n20/D 1.387
• bp: 188 °C (lit.)
• mp: −32 °C (lit.)
• solubility: ethanol: 0.26 g/mL, clear, colorless; diethyl ether: 1.3 g/5mL, clear, colorless
• density: 1.333 g/mL at 25 °C (lit.)
• 양이온 미량물: Ca: ≤5 mg/kg; Cd: ≤1 mg/kg; Co: ≤1 mg/kg; Cr: ≤1 mg/kg; Cu: ≤1 mg/kg; Fe: ≤1 mg/kg; K: ≤20 mg/kg; Mg: ≤1 mg/kg; Mn: ≤1 mg/kg; Na: ≤20 mg/kg; Ni: ≤1 mg/kg; Pb: ≤1 mg/kg; Zn: ≤1 mg/kg
• SMILES string: COS(=O)(=O)OC
• InChI: 1S/C2H6O4S/c1-5-7(3,4)6-2/h1-2H3
• InChI key: VAYGXNSJCAHWJZ-UHFFFAOYSA-N

설명

일반 설명

Dimethyl sulfate is the dimethyl ester of sulfuric acid. It undergoes hydrolysis to afford monomethyl sulfate. It is found as contaminant in fly ash and in airborne particulate matter generated during the coal combustion processes.

안전성 정보

• 픽토그램: GHS06,GHS08,GHS05
• 신호어: Danger
• 유해 및 위험 성명서: H301,H314,H317,H330,H341,H350
• 예방조치 성명서: P202 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Carc. 1B - Eye Dam. 1 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1
• Storage Class Code: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flash Point (°F): 181.4 °F - closed cup
• Flash Point (°C): 83 °C - closed cup
• 개인 보호 장비: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter