Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Diacetylene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 1,3-Butadiyne
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

460-12-8

460-12-8 structure

460-12-8 structure

Name: Diacetylene
Chemical Name: buta-1,3-diyne
CAS Number: 460-12-8
Molecular Formula: C₄H₂
Molecular Weight: 50.05870
Create Date: 2018-06-09 15:37:09
Modify Date: 2025-08-23 06:29:47

Name	buta-1,3-diyne
Synonyms	biacetylene Butane-1,3-diyne Diacetylene 1,3-Butadiyne 1,3-Butanediyne butadiyne EINECS 207-303-9

Density	0.806g/cm3
Boiling Point	10.3ºC at 760mmHg
Melting Point	-36ºC
Molecular Formula	C₄H₂
Molecular Weight	50.05870
Exact Mass	50.01570
LogP	0.25280
Vapour Pressure	1270mmHg at 25°C
Index of Refraction	1.436
Stability	Stability Highly flammable. Readily forms explosive mixtures with air. May form peroxides in storage.

RIDADR	UN 3161
Hazard Class	2.1
HS Code	2901299090

Precursor 0
DownStream 10
5445-30-7 14304-31-5 22544-17-8 2206-24-8
20583-04-4 19458-01-6 86737-83-9 689-97-4
74488-01-0 66486-68-8

HS Code	2901299090
Summary	2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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