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1,4-Dichloro-2-butyne

1,4-Dichloro-2-butyne structure

CAS No:
821-10-3
Formula:
C4H4Cl2
Chemical Name:
1,4-Dichloro-2-butyne
Synonyms:
2-Butyne,1,4-dichloro-;1,4-Dichloro-2-butyne;1,4-Dichlorobutyne;Bis(chloromethyl)acetylene;NSC 30603
Categories:
Organic Chemistry > Hydrocarbons and Derivatives

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Description

CLEAR COLORLESS TO YELLOWISH LIQUID

1,4-Dichloro-2-butyne Basic Attributes

Molecular Weight：

122.98

Exact Mass：

122.98

EC Number：

212-474-8

NSC Number：

30603

DSSTox ID：

DTXSID0061165

HScode：

29032900

Characteristics

PSA：

XLogP3：

Appearance：

Clear brown liquid.

Density：

1.258 g/cm³ @ Temp: 20 °C

Melting Point：

162-165 °C

Boiling Point：

165.5 °C

Flash Point：

320 °F

Refractive Index：

1.474

Storage Conditions：

2-8°C

Safety Information

Packing level：

Hazard category：

6.1

Transport codes：

UN 2810

wgk germany：

hazard class code：

36/37/38-40-23/24/25

safety instructions：

26-36-45-38-36/37/39-28A

RTECS Number：

ER9600000

Marks：

Xi,T

Stability/Shelf Life：

Stable under normal temperatures and pressures.

Precautionary statement(s)：

P261-P305 + P351 + P338

Hazard Statements：

H315-H319-H335

GHS Classification：

|Danger|H301 (11.36%): Toxic if swallowed [Danger Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P310, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 44 companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H301: Toxic if swallowed [Danger Acute toxicity, oral]|P264, P270, P301+P310, P321, P330, P405, and P501

1,4-Dichloro-2-butyne Use and Manufacturing

Uses

1,4-Dichloro-2-butyne used in the synthesis of 1,4-disubstituted 1,2,3-triazoles. Also, it is used in the approach of the 20S-camptothecin family of antitumor agents.

Manufacturing Info：

2-Butyne, 1,4-dichloro-: ACTIVE

Computed Properties

Molecular Weight:122.98
XLogP3:2
Exact Mass:121.9690055
Monoisotopic Mass:121.9690055
Heavy Atom Count:6
Complexity:66
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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1,4-Dichloro-2-butyne

CAS No.: 821-10-3

Grade: Analytical Reagent

Content: 99%

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