2,5-Di-tert-butylhydroquinone
Suppliers
Names
[ CAS No. ]:
88-58-4
[ Name ]:
2,5-Di-tert-butylhydroquinone
[Synonym ]:
2,5-Bis(2-methyl-2-propanyl)-1,4-benzenediol
MFCD00008825
2,5-TBHQ
EINECS 201-841-8
1,4-Benzenediol, 2,5-bis(1,1-dimethylethyl)-
2,5-Di-tert-Butyl-1,4-hydroquinone (DBHQ)
2,5-di-tert-butylhydroquinone
2,5-Di-tert-butylbenzene-1,4-diol
2,5-DITERT-BUTYLBENZENE-1,4-DIOL
2,5-Di-tert-butyl-1,4-hydroquinone
Chemical & Physical Properties
[ Density]:
1.0±0.1 g/cm3
[ Boiling Point ]:
334.4±37.0 °C at 760 mmHg
[ Melting Point ]:
216-218 °C(lit.)
[ Molecular Formula ]:
C14H22O2
[ Molecular Weight ]:
222.323
[ Flash Point ]:
151.5±21.1 °C
[ Exact Mass ]:
222.161987
[ PSA ]:
40.46000
[ LogP ]:
4.02
[ Vapour Pressure ]:
0.0±0.8 mmHg at 25°C
[ Index of Refraction ]:
1.520
[ Storage condition ]:
Store at RT
[ Stability ]:
Stable. Incompatible with oxidizing agents.
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- MX5160000
- CHEMICAL NAME :
- Hydroquinone, 2,5-di-tert-butyl-
- CAS REGISTRY NUMBER :
- 88-58-4
- BEILSTEIN REFERENCE NO. :
- 2049542
- LAST UPDATED :
- 199707
- DATA ITEMS CITED :
- 6
- MOLECULAR FORMULA :
- C14-H22-O2
- MOLECULAR WEIGHT :
- 222.36
- WISWESSER LINE NOTATION :
- L6V DVJ BX1&1&1 EX1&1&1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 800 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 :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >1800 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 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 6426 mg/kg/3W-C
- TOXIC EFFECTS :
- Blood - change in clotting factors Related to Chronic Data - death
- REFERENCE :
- JONUAI Journal of Nutrition. (Subscription Dept., 9650 Rockville Pike, Bethesda, MD 20014) V.1- 1928- Volume(issue)/page/year: 109,453,1979 ** TUMORIGENIC DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - hamster
- DOSE/DURATION :
- 134 gm/kg/24W-C
- TOXIC EFFECTS :
- Tumorigenic - neoplastic by RTECS criteria Gastrointestinal - tumors
- REFERENCE :
- CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 12,1341,1991 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X7949 No. of Facilities: 155 (estimated) No. of Industries: 8 No. of Occupations: 14 No. of Employees: 14136 (estimated) No. of Female Employees: 6832 (estimated)
Safety Information
[ Symbol ]:
GHS07
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H302-H315-H319-H335
[ Precautionary Statements ]:
P261-P305 + P351 + P338
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves
[ Hazard Codes ]:
Xi: Irritant;
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
S26-S24/25
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
3
[ RTECS ]:
MX5160000
[ HS Code ]:
29072900
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2907299090
[ Summary ]:
2907299090 polyphenols; phenol-alcohols。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%
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