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| CAS No.: | 421-20-5 |
|---|---|
| Name: | METHYL FLUOROSULFONATE |
| Molecular Structure: | |
|
|
|
| Formula: | CH3 F O3 S |
| Molecular Weight: | 114.097 |
| Synonyms: | Fluorosulfuricacid, methyl ester (8CI,9CI); Methyl fluorosulfate (7CI); Methyl fluosulfonate(6CI); Magic Methyl; Methyl fluorosulfonate |
| Density: | 1.464g/cm3 |
| Melting Point: | -95° |
| Boiling Point: | 93°Cat760mmHg |
| Flash Point: | 10°C |
| Hazard Symbols: | Toxic. Strong irritant to tissue, inhalation of fume must be avoided. Reacts with water, steam, and acids, evolving corrosive vapor. |
| Risk Codes: | 34 |
| Safety: | Poison by inhalation and ingestion. Moderately toxic by skin contact. A skin, mucous membrane, and severe eye irritant. Mutation data reported. Reacts with water, steam, or acids to produce toxic and corrosive fumes. When heated to decomposition it emits toxic fumes of F− and SOx. |
| PSA: | 51.75000 |
| LogP: | 0.92790 |
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Chemistry
The IUPAC name of Methyl fluorosulfate (CAS NO.421-20-5): Fluorosulfonyloxymethane
Synonyms: Fluorosulfuricacid,methylester ; Fluorosulfuricacidmethylester ; Magicmethyl ; Methylfluorosulfate ; Methylfluosulfonate ; Fluorosulfonic acid methyl ester ; Methyl fluorosulfonate ; Methyl fluorosulphonate
CAS: 421-20-5
EINECS: 207-004-3
Molecular Formula: CH3FO3S
Formula Weight: 114.1 g/mol
Molecular Structure:
Index of Refraction: 1.363
Density: 1.464 g/cm3
Flash Point: 10 °C
Boiling Point: 93 °C at 760 mmHg
Toxicity Data With Reference
The toxicity of Methyl fluorosulfate (CAS NO.421-20-5):
| 1. | eye-rbt 100 mg/4 sec rns SEV | AIHAAP American Industrial Hygiene Association Journal. 40 (1979),600. | ||
| 2. | mmo-sat 4 µg/plate | MUREAV Mutation Research. 51 (1978),285. | ||
| 3. | ihl-rat LC50:5 ppm/1H | AIHAAP American Industrial Hygiene Association Journal. 40 (1979),600. | ||
| 4. | orl-mus LD50:112 mg/kg | AIHAAP American Industrial Hygiene Association Journal. 40 (1979),600. | ||
| 5. | skn-rbt LDLo:455 mg/kg | AIHAAP American Industrial Hygiene Association Journal. 40 (1979),600. |
Safety Profile
The Hazard Codes of Methyl fluorosulfate (CAS NO.421-20-5): 
C
Risk Statements:R34:Causes burns.
Safety Statements:S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
Poison by inhalation and ingestion. Moderately toxic by skin contact. A skin, mucous membrane, and severe eye irritant. Mutation data reported. Reacts with water, steam, or acids to produce toxic and corrosive fumes. When heated to decomposition it emits toxic fumes of F− and SOx.