1,4-Diethynylbenzene
Names
[ CAS No. ]:
935-14-8
[ Name ]:
1,4-Diethynylbenzene
[Synonym ]:
MFCD00078375
1,4-diacetylenebenzene
Benzene, 1,4-diethynyl-
p-Diethynylbenzene
1,4-Diethynyl-benzene
Diethynylbenzene
1,4-phenylene-diacetylene
Benzene,1,4-diethynyl
para-diethynylbenzene
Benzene,p-diethynyl-(7CI,8CI)
1,4-Bis(ethynyl)benzene
Chemical & Physical Properties
[ Density]:
1.0±0.1 g/cm3
[ Boiling Point ]:
182.8±23.0 °C at 760 mmHg
[ Melting Point ]:
94-98 °C(lit.)
[ Molecular Formula ]:
C10H6
[ Molecular Weight ]:
126.155
[ Flash Point ]:
51.9±16.7 °C
[ Exact Mass ]:
126.046951
[ LogP ]:
2.58
[ Vapour Pressure ]:
1.1±0.2 mmHg at 25°C
[ Index of Refraction ]:
1.567
[ Storage condition ]:
Refrigerator (+4°C)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- CZ5643000
- CHEMICAL NAME :
- Benzene, 1,4-diethynyl-
- CAS REGISTRY NUMBER :
- 935-14-8
- BEILSTEIN REFERENCE NO. :
- 2038365
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C10-H6
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Unreported
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 4500 mg/kg
- TOXIC EFFECTS :
- Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - respiratory stimulation
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 30(5),59,1986
Safety Information
[ Hazard Codes ]:
Xi: Irritant;
[ Risk Phrases ]:
R43;R52/53
[ Safety Phrases ]:
S37/39
[ RIDADR ]:
1325
[ WGK Germany ]:
3
[ RTECS ]:
CZ5643000
[ HS Code ]:
2902909090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2902909090
[ Summary ]:
2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%