Pentanal, 2,3-dimethyl-
Names
[ CAS No. ]:
32749-94-3
[ Name ]:
Pentanal, 2,3-dimethyl-
[Synonym ]:
Einecs 251-193-5
2,3-dimethyl-valeraldehyd
dimethyl-2,3 pentanal
2,3-dimethyl pentanal
2,3-dimethylvaleraldehyde
Butanal,3-ethyl-2-methyl
2,3-Dimethylpentaldehyde
Pentanal,2,3-dimethyl
2,3-dimethylpentan-1-al
Chemical & Physical Properties
[ Density]:
0.803 g/cm3
[ Boiling Point ]:
134.5ºC at 760 mmHg
[ Melting Point ]:
-110ºC
[ Molecular Formula ]:
C7H14O
[ Molecular Weight ]:
114.18500
[ Flash Point ]:
58.3ºC
[ Exact Mass ]:
114.10400
[ PSA ]:
17.07000
[ LogP ]:
1.86750
[ Index of Refraction ]:
1.401
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- YV3850000
- CHEMICAL NAME :
- Valeraldehyde, 2,3-dimethyl-
- CAS REGISTRY NUMBER :
- 32749-94-3
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 4
- MOLECULAR FORMULA :
- C7-H14-O
- MOLECULAR WEIGHT :
- 114.21
- WISWESSER LINE NOTATION :
- VHY1&Y2&1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Open irritation test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 3540 uL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962
- TYPE OF TEST :
- LC - Lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >6000 ppm/4H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 7100 uL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962
Safety Information
[ Risk Phrases ]:
R10
[ Safety Phrases ]:
16
[ RIDADR ]:
UN 1989
[ Packaging Group ]:
III
[ Hazard Class ]:
3.2
[ HS Code ]:
2912190090
Synthetic Route
Customs
[ HS Code ]: 2912190090
[ Summary ]:
2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%