CAS 420-12-2|Thiirane
| Common Name | Thiirane | ||
|---|---|---|---|
| CAS Number | 420-12-2 | Molecular Weight | 60.118 |
| Density | 1.1±0.1 g/cm3 | Boiling Point | 55.5±0.0 °C at 760 mmHg |
| Molecular Formula | C2H4S | Melting Point | 207-209ºC |
| MSDS | ChineseUSA | Flash Point | 10.0±0.0 °C |
| Symbol | GHS02, GHS05, GHS06 | Signal Word | Danger |
Names
| Name | thiirane |
|---|---|
| Synonym | More Synonyms |
Chemical & Physical Properties
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 55.5±0.0 °C at 760 mmHg |
| Melting Point | 207-209ºC |
| Molecular Formula | C2H4S |
| Molecular Weight | 60.118 |
| Flash Point | 10.0±0.0 °C |
| Exact Mass | 60.003368 |
| PSA | 25.30000 |
| LogP | 0.21 |
| Vapour Pressure | 248.4±0.1 mmHg at 25°C |
| Index of Refraction | 1.574 |
| InChIKey | VOVUARRWDCVURC-UHFFFAOYSA-N |
| SMILES | C1CS1 |
| Storage condition | Freezer |
| Stability | Stable at room temperature, but may have butylmercaptan added to enhance stability. Flammable. |
Toxicological Information
CHEMICAL IDENTIFICATION |
ACUTE TOXICITY DATA - TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- AJOPAA American Journal of Ophthalmology. (Ophthalmic Pub. Co., 435 N. Michigan Ave., Suite 1415, Chicago, IL 60611) Series 3: V.1- 1918- Volume(issue)/page/year: 29,1363,1946 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 178 mg/kg
- TOXIC EFFECTS :
- Behavioral - general anesthetic Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Lungs, Thorax, or Respiration - respiratory depression
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 25,560,1964
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 690 ppm/6H
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis) Lungs, Thorax, or Respiration - acute pulmonary edema Blood - hemorrhage
- REFERENCE :
- BECTA6 Bulletin of Environmental Contamination and Toxicology. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1966- Volume(issue)/page/year: 6,509,1971
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 42 mg/kg
- TOXIC EFFECTS :
- Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - ataxia Lungs, Thorax, or Respiration - cyanosis
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 25,560,1964
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 90 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- ZEKBAI Zeitschrift fuer Krebsforschung. (Berlin, Fed. Rep. Ger.) V.1-75, 1903-71. For publisher information, see JCROD7. Volume(issue)/page/year: 74,241,1970
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 35600 ug/kg
- TOXIC EFFECTS :
- Behavioral - muscle weakness Behavioral - ataxia Behavioral - muscle contraction or spasticity
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 13(8),47,1969
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1400 mg/m3
- TOXIC EFFECTS :
- Behavioral - muscle weakness Behavioral - ataxia Behavioral - muscle contraction or spasticity
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 13(8),47,1969
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - species unspecified
- DOSE/DURATION :
- 36 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 39(4),86,1974 ** TUMORIGENIC DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 400 mg/kg/50W-I
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application
- REFERENCE :
- ZEKBAI Zeitschrift fuer Krebsforschung. (Berlin, Fed. Rep. Ger.) V.1-75, 1903-71. For publisher information, see JCROD7. Volume(issue)/page/year: 74,241,1970 *** REVIEWS *** IARC Cancer Review:Animal Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 11,257,1976 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 11,257,1976 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 0.5 mg/m3;Skin JAN 1993
Safety Information
| Symbol | GHS02, GHS05, GHS06 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H225-H301 + H331-H318 |
| Precautionary Statements | P210-P261-P280-P301 + P310-P305 + P351 + P338-P311 |
| Personal Protective Equipment | Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US) |
| Hazard Codes | F: Flammable;T: Toxic; |
| Risk Phrases | R11 |
| Safety Phrases | S16-S36/37/39-S45 |
| RIDADR | UN 1992 3/PG 2 |
| WGK Germany | 3 |
| RTECS | KX3500000 |
| Packaging Group | I |
| Hazard Class | 6.1(a) |
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Synonyms
| EINECS 206-993-9 |
| ETHYLENE SULFIDE |
| Dimethylene Sulfide |
| MFCD00005159 |
| Thiirane |
