Chlorosulfonic acid
Suppliers
Names
[ CAS No. ]:
7790-94-5
[ Name ]:
Chlorosulfonic acid
[Synonym ]:
sulfonic chloride acid
Monochlorosulfuric acid
MFCD00011523
chlorosulfonic acid
sulfo-chloride
EINECS 232-234-6
chloro-sulphonic acid
Chlorosulphuric acid
mesyl chloride
Sulfuric chlorohydrin
Sulfonic acid,monochloride
Chlorosulfuric acid
Chemical & Physical Properties
[ Density]:
2.0±0.1 g/cm3
[ Boiling Point ]:
158.0±9.0 °C at 760 mmHg
[ Melting Point ]:
-80°C
[ Molecular Formula ]:
HClO3S
[ Molecular Weight ]:
116.524
[ Flash Point ]:
158°C
[ Exact Mass ]:
115.933495
[ PSA ]:
62.75000
[ LogP ]:
0.11
[ Vapour density ]:
4 (vs air)
[ Vapour Pressure ]:
1.4±0.6 mmHg at 25°C
[ Index of Refraction ]:
1.501
[ Water Solubility ]:
reacts
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- FX5730000
- CHEMICAL NAME :
- Chlorosulfuric acid
- CAS REGISTRY NUMBER :
- 7790-94-5
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 7
- MOLECULAR FORMULA :
- Cl-H-O3-S
- MOLECULAR WEIGHT :
- 116.52
- WISWESSER LINE NOTATION :
- QSGO&O
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 50 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - cyanosis Skin and Appendages - hair
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0570953
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 926 mg/m3/1H
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Liver - changes in liver weight Blood - changes in spleen
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0570953 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-UNITED KINGDOM:TWA 1 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81770 No. of Facilities: 139 (estimated) No. of Industries: 3 No. of Occupations: 8 No. of Employees: 1690 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81770 No. of Facilities: 42 (estimated) No. of Industries: 5 No. of Occupations: 18 No. of Employees: 3257 (estimated) No. of Female Employees: 247 (estimated)
Safety Information
[ Hazard Codes ]:
C:Corrosive
[ Risk Phrases ]:
R14;R35;R37
[ Safety Phrases ]:
S26-S45
[ RIDADR ]:
UN 1754 8/PG 1
[ WGK Germany ]:
1
[ RTECS ]:
FX5730000
[ Packaging Group ]:
I
[ Hazard Class ]:
8
[ HS Code ]:
2806200000
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2806200000