1,4-Dichlorbut-2-in

Modify Date: 2024-01-02 08:24:42

1,4-Dichlorbut-2-in structure	Common Name	1,4-Dichlorbut-2-in
	CAS Number	821-10-3	Molecular Weight	122.981
	Density	1.2±0.1 g/cm3	Boiling Point	165.5±0.0 °C at 760 mmHg
	Molecular Formula	C₄H₄Cl₂	Melting Point	-34.5ºC
	MSDS	Chinese USA	Flash Point	70.7±13.9 °C
	Symbol	GHS07	Signal Word	Warning

Name	1,4-Dichloro-2-butyne
Synonym	More Synonyms

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

1,4-Dichlorbut-2-in MSDS(Chinese)

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

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

2-Butine-1,4-diol

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~18%

4-CHLORO-2-BUTY...

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1,4-Dichlorbut-2-in

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Literature: Advanced Synthesis and Catalysis, , vol. 348, # 15 p. 2133 - 2147

but-2-yne-1,4-b...

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~75%

1,4-Dichlorbut-2-in

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Literature: Richter, Reinhard; Tucker, Benjamin Journal of Organic Chemistry, 1983 , vol. 48, # 15 p. 2625 - 2627

2-Butine-1,4-diol

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~85%

1,4-Dichlorbut-2-in

CAS#:821-10-3

Literature: Chang, Sukbok; Lee, Nam Ho; Jacobsen, Eric N. Journal of Organic Chemistry, 1993 , vol. 58, # 25 p. 6939 - 6941

Pyridine

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2-Butine-1,4-diol

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Thionyl chloride

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1,4-Dichlorbut-2-in

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Literature: Journal of the Chemical Society, , p. 1013

2-Butine-1,4-diol

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Hydrochloric acid

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acetic acid

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(Z)-2,4-dichlor...

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Detail

Literature: Journal of the Chemical Society, , p. 1013

2-Butine-1,4-diol

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Phosphorus pent...

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benzene

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1,4-Dichlorbut-2-in

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Literature: Annales de Chimie (Cachan, France), , vol. <12>3, p. 674 Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, , vol. 223, p. 908

Precursor 8
CAS#:110-65-6 2-Butine-1,4-diol CAS#:16669-40-2 but-2-yne-1,4-b... CAS#:110-86-1 Pyridine CAS#:7719-09-7 Thionyl chloride
CAS#:7647-01-0 Hydrochloric acid CAS#:64-19-7 acetic acid CAS#:10026-13-8 Phosphorus pent... CAS#:71-43-2 benzene
DownStream 10
CAS#:111339-46-9 N-[2-[4-(2-acet... CAS#:111-53-5 2-Butyne-1,4-di... CAS#:105-18-0 2-Butyne-1,4-di... CAS#:3757-53-7 5-Methyl-1H-pyr...
CAS#:3284-51-3 Ethyl 5-methyl-... CAS#:14272-28-7 2-Butyne,1,4-bi... CAS#:14304-31-5 hept-1-en-4,6-d... CAS#:4819-69-6 1H-Isoindole-1,...
CAS#:928-49-4 Hex-3-yne CAS#:513-81-5 2,3-DIMETHYL-1,...

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%