Sigma-Aldrich
Dimethyl Sulfate 99.8% 1 Liter
- Part Number:
- MIL-D186309-1L
- Lead Time:
- 2-4 weeks
- Shipping:
- FREE SHIPPING on most orders over $50*
- Quantity:
- each
- Size:
- 1 liter / 32 ounce
- Style:
- chemical
- DOT Rated:
- HazMat Transport Fee Required
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Description
Dimethyl Sulfate ≥99.8% 1 Liter
Synonym: Sulfuric acid dimethyl ester
- CAS Number 77-78-1
- Linear Formula (CH3O)2SO2
- Molecular Weight 126.13
- Beilstein/REAXYS Number 635994
- EC Number 201-058-1
- MDL number MFCD00008416
- PubChem Substance ID 57654074
- NACRES NA.21
| Quality Level | 200 |
| vapor density | 4.3 (vs air) |
| vapor pressure | 0.7 mmHg ( 25 °C) |
| assay | ≥99.8% |
| autoignition temp. | 923 °F |
| refractive index | n20/D 1.386 (lit.) |
| bp | 188 °C (lit.) |
| mp | −32 °C (lit.) |
| density | 1.333 g/mL at 25 °C (lit.) |
| SMILES string | COS(=O)(=O)OC |
| InChI | 1S/C2H6O4S/c1-5-7(3,4)6-2/h1-2H3 |
| InChI key | VAYGXNSJCAHWJZ-UHFFFAOYSA-N |
Application
Dimethyl sulfate may be used along with alumina for preparation of monomethylated derivatives of alcohols, phenols and carboxylic acids. It may also be used in combination with dimethylformamide (DMF) to form methoxy-methylene-N,N-dimethyliminium salt, that can be utilized for the preparation of β-lactams.
GHS05, GHS06, GHS08
Signal word Danger
Hazard statements H301-H314-H317-H330-H341-H350
Precautionary statements P201-P260-P280-P301 + P310 + P330-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338-P308 + P313-P403 + P233
Personal Protective Equipment Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
RIDADR UN1595 - class 6.1 - PG 1 - Dimethyl sulphate
WGK Germany 3
RTECS WS8225000
Flash Point(F) 181.4 °F
Flash Point(C) 83 °C
Documents
Warnings
Note: These chemicals are for research & laboratory use only. Your order will not be processed if you do not work for, and ship to, a registered laboratory or research facility. Not for topical applications. An official Declaration of Use form may be required.
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WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. Prop 65 Warning
Please note: This product is not returnable.