β-pinene

Modify Date: 2025-08-20 02:34:26

β-pinene Structure
β-pinene structure
 Common Name β-pinene
CAS Number 127-91-3 Molecular Weight 136.234
Density 0.9±0.1 g/cm3 Boiling Point 166.0±0.0 °C at 760 mmHg
Molecular Formula C10H16 Melting Point -61°C
MSDS N/A Flash Point 34.9±5.8 °C

 Names

Name β-pinene
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.9±0.1 g/cm3
Boiling Point 166.0±0.0 °C at 760 mmHg
Melting Point -61°C
Molecular Formula C10H16
Molecular Weight 136.234
Flash Point 34.9±5.8 °C
Exact Mass 136.125198
LogP 4.37
Vapour Pressure 2.4±0.1 mmHg at 25°C
Index of Refraction 1.484
Stability Stable. Flammable. Incompatible with strong oxidizing agents.

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DT5077000
CHEMICAL NAME :
Bicyclo(3.1.1)heptane, 6,6-dimethyl-2-methylene-
CAS REGISTRY NUMBER :
127-91-3
LAST UPDATED :
199712
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C10-H16
MOLECULAR WEIGHT :
136.26
WISWESSER LINE NOTATION :
L46 A EUTJ A1 A1 E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 16,859,1978 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
4700 mg/kg
TOXIC EFFECTS :
Brain and Coverings - recordings from specific areas of CNS Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - other changes
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 16,859,1978 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1936 No. of Facilities: 813 (estimated) No. of Industries: 9 No. of Occupations: 26 No. of Employees: 7672 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1936 No. of Facilities: 5181 (estimated) No. of Industries: 61 No. of Occupations: 65 No. of Employees: 77244 (estimated) No. of Female Employees: 13763 (estimated)

 Safety Information

Hazard Codes F
Risk Phrases R10;R36/37/38
Safety Phrases S16
RIDADR 2368
RTECS DT5077000
Packaging Group I; II; III
Hazard Class 3.0
HS Code 2902199090

 Synthetic Route

 Customs

HS Code 2902199090
Summary 2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

 Synonyms

Bicyclo[3.1.1]heptane, 6,6-dimethyl-2-methylene-
EINECS 204-872-5
Pseudopinene
(±)-2(10)-Pinene
beta-pinene
L46 A EYTJ A1 A1 EU1
β-Pinene
Pin-2(10)-ene
6,6-Dimethyl-2-methylenebicyclo[3.1.1]heptane
6,6-Dimethyl-2-methylidenebicyclo[3.1.1]heptane
2(10)-Pinene
Pinene
MFCD00063635
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