3-Methyl butynol
Names
[ CAS No. ]:
115-19-5
[ Name ]:
3-Methyl butynol
[Synonym ]:
2-methylbut-3-yn-2-ol
3-Methyl butynol
3-Methyl-1-butyn-3-ol
2-Methyl-3-butyn-2-ol
3-Butyn-2-ol, 2-methyl-
MFCD00004467
EINECS 204-070-5
Chemical & Physical Properties
[ Density]:
0.9±0.1 g/cm3
[ Boiling Point ]:
104.2±8.0 °C at 760 mmHg
[ Melting Point ]:
3 °C
[ Molecular Formula ]:
C5H8O
[ Molecular Weight ]:
84.116
[ Flash Point ]:
25.0±0.0 °C
[ Exact Mass ]:
84.057518
[ PSA ]:
20.23000
[ LogP ]:
0.32
[ Vapour Pressure ]:
17.2±0.4 mmHg at 25°C
[ Index of Refraction ]:
1.444
[ Stability ]:
Stable. Flammable. Incompatible with strong oxidizing agents.
[ Water Solubility ]:
miscible
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- ES0810000
- CHEMICAL NAME :
- 3-Butyn-2-ol, 2-methyl-
- CAS REGISTRY NUMBER :
- 115-19-5
- BEILSTEIN REFERENCE NO. :
- 0635746
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 8
- MOLECULAR FORMULA :
- C5-H8-O
- MOLECULAR WEIGHT :
- 84.13
- WISWESSER LINE NOTATION :
- QX1&1&1UU1
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 :
- 1950 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 115,230,1955
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 500 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - other changes
- 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: 31(4),55,1987
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 2 gm/m3
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - other changes
- 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: 31(4),55,1987
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1161 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold
- REFERENCE :
- YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 76,181,1956 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1058 No. of Facilities: 67 (estimated) No. of Industries: 2 No. of Occupations: 5 No. of Employees: 3234 (estimated) No. of Female Employees: 2672 (estimated)
Safety Information
[ Hazard Codes ]:
Xn:Harmful;
[ Risk Phrases ]:
R10;R22;R41
[ Safety Phrases ]:
S26-S39-S16
[ RIDADR ]:
UN 1987 3/PG 2
[ WGK Germany ]:
1
[ RTECS ]:
ES0810000
[ Packaging Group ]:
II
[ Hazard Class ]:
3
[ HS Code ]:
29052990
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 29052990