1,4-Dichlorbut-2-in
Names
[ CAS No. ]:
821-10-3
[ Name ]:
1,4-Dichlorbut-2-in
[Synonym ]:
1,4-Dichloro-2-butyne
2-Butyne, 1,4-dichloro-
G2UU2G
1,4-dichlorobut-2-yne
1,4-Dichlorbut-2-in
EINECS 212-474-8
MFCD00000981
Chemical & Physical Properties
[ Density]:
1.2±0.1 g/cm3
[ Boiling Point ]:
165.5±0.0 °C at 760 mmHg
[ Melting Point ]:
-34.5ºC
[ Molecular Formula ]:
C4H4Cl2
[ Molecular Weight ]:
122.981
[ Flash Point ]:
70.7±13.9 °C
[ Exact Mass ]:
121.969009
[ LogP ]:
2.01
[ Vapour Pressure ]:
2.5±0.3 mmHg at 25°C
[ Index of Refraction ]:
1.474
[ Storage condition ]:
2-8°C
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- ER9600000
- CHEMICAL NAME :
- 2-Butyne, 1,4-dichloro-
- CAS REGISTRY NUMBER :
- 821-10-3
- BEILSTEIN REFERENCE NO. :
- 0635740
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 2
- MOLECULAR FORMULA :
- C4-H4-Cl2
- MOLECULAR WEIGHT :
- 122.98
- WISWESSER LINE NOTATION :
- G2UU2G
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 56 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#02969
Safety Information
[ Symbol ]:
GHS07
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H315-H319-H335
[ Precautionary Statements ]:
P261-P305 + P351 + P338
[ Personal Protective Equipment ]:
Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
[ Hazard Codes ]:
T:Toxic;
[ Risk Phrases ]:
R23/24/25;R36/37/38;R40
[ Safety Phrases ]:
S26-S36-S45-S38-S36/37/39-S28A
[ RIDADR ]:
UN 2810
[ WGK Germany ]:
3
[ RTECS ]:
ER9600000
[ Packaging Group ]:
II
[ Hazard Class ]:
6.1
[ HS Code ]:
29032900
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2903299090
[ Summary ]:
2903299090 other unsaturated chlorinated derivatives of acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%