2,5-Di(tert-amyl)hydroquinone
Names
[ CAS No. ]:
79-74-3
[ Name ]:
2,5-Di(tert-amyl)hydroquinone
[Synonym ]:
MFCD00027029
EINECS 201-222-2
2,5-Di(tert-amyl)hydroquinone
Chemical & Physical Properties
[ Density]:
0.99 g/cm3
[ Boiling Point ]:
364.8ºC at 760 mmHg
[ Melting Point ]:
179 °C
[ Molecular Formula ]:
C16H26O2
[ Molecular Weight ]:
250.37600
[ Flash Point ]:
162.7ºC
[ Exact Mass ]:
250.19300
[ PSA ]:
40.46000
[ LogP ]:
4.47300
[ Index of Refraction ]:
1.513
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- MX6300000
- CHEMICAL NAME :
- Hydroquinone, 2,5-di-tert-pentyl-
- CAS REGISTRY NUMBER :
- 79-74-3
- BEILSTEIN REFERENCE NO. :
- 2214556
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 10
- MOLECULAR FORMULA :
- C16-H26-O2
- MOLECULAR WEIGHT :
- 250.42
- WISWESSER LINE NOTATION :
- 2X1&1&R BQ EQ DX2&1&1
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 :
- 2 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- IPSTB3 International Polymer Science and Technology. (Rapra Technology Ltd., Shawbury, Shrewsbury, Shropshire SY4 4NR, UK) Volume(issue)/page/year: 3,93,1976
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >3200 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 200 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 2 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- IPSTB3 International Polymer Science and Technology. (Rapra Technology Ltd., Shawbury, Shrewsbury, Shropshire SY4 4NR, UK) Volume(issue)/page/year: 3,93,1976 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 38670 No. of Facilities: 93 (estimated) No. of Industries: 1 No. of Occupations: 7 No. of Employees: 1692 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 38670 No. of Facilities: 1330 (estimated) No. of Industries: 10 No. of Occupations: 22 No. of Employees: 17140 (estimated) No. of Female Employees: 3904 (estimated)
Safety Information
[ RTECS ]:
MX6300000
[ Packaging Group ]:
II; III
[ Hazard Class ]:
4.1