-
Name
METHYL FLUOROSULFONATE
- EINECS
- CAS No. 421-20-5
- Article Data26
- CAS DataBase
- Density 1.464g/cm3
- Solubility
- Melting Point -95°
- Formula CH3 F O3 S
- Boiling Point 93°Cat760mmHg
- Molecular Weight 114.097
- Flash Point 10°C
- Transport Information
- Appearance
- 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.
- Risk Codes 34
-
Molecular Structure
- Hazard Symbols Toxic. Strong irritant to tissue, inhalation of fume must be avoided. Reacts with water, steam, and acids, evolving corrosive vapor.
- Synonyms Fluorosulfuricacid, methyl ester (8CI,9CI); Methyl fluorosulfate (7CI); Methyl fluosulfonate(6CI); Magic Methyl; Methyl fluorosulfonate
- PSA 51.75000
- LogP 0.92790
Methyl fluorosulfate Chemical Properties
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
Methyl fluorosulfate 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. |
Methyl fluorosulfate 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.
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