1,4-Butanediol,2-methyl-
Names
[ CAS No. ]:
2938-98-9
[ Name ]:
1,4-Butanediol,2-methyl-
[Synonym ]:
3-methyl-1,4-butanediol
2-methyl-butane-1,4-diol
2-methyl-1,4-dihydroxybutane
2-methyl-4-butanediol
Chemical & Physical Properties
[ Density]:
0.978g/cm3
[ Boiling Point ]:
212.2ºC at 760 mmHg
[ Melting Point ]:
50.86 °C
[ Molecular Formula ]:
C5H12O2
[ Molecular Weight ]:
104.14800
[ Flash Point ]:
98.9ºC
[ Exact Mass ]:
104.08400
[ PSA ]:
40.46000
[ Vapour Pressure ]:
0.0392mmHg at 25°C
[ Index of Refraction ]:
1.443
[ Storage condition ]:
2-8℃
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- EK2275000
- CHEMICAL NAME :
- 1,4-Butanediol, 2-methyl-
- CAS REGISTRY NUMBER :
- 2938-98-9
- BEILSTEIN REFERENCE NO. :
- 1719165
- LAST UPDATED :
- 199806
- DATA ITEMS CITED :
- 2
- MOLECULAR FORMULA :
- C5-H12-O2
- MOLECULAR WEIGHT :
- 104.17
- WISWESSER LINE NOTATION :
- Q2Y1&1Q
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 :
- 5460 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 4,119,1951
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 2620 uL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 4,119,1951
Safety Information
[ Hazard Codes ]:
Xn
[ HS Code ]:
2905399090
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2905399090
[ Summary ]:
2905399090 other diols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%