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: diiodoacetylene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

624-74-8

624-74-8 structure

624-74-8 structure

Name: diiodoacetylene
Chemical Name: 1,2-diiodoethyne
CAS Number: 624-74-8
Molecular Formula: C₂I₂
Molecular Weight: 277.83000
Create Date: 2018-03-24 08:00:00
Modify Date: 2025-08-25 17:46:28

Name	1,2-diiodoethyne
Synonyms	IC.equiv.CI diiodoethyne 1,2-diiodoacetylene acetylene diiodide Acetylene,diiodo Diiodacetylen di-iodoacetylene

Density	3.367g/cm3
Boiling Point	190.4ºC at 760 mmHg
Molecular Formula	C₂I₂
Molecular Weight	277.83000
Flash Point	94.1ºC
Exact Mass	277.80900
LogP	1.77480
Index of Refraction	1.799

HS Code	2903399090

HS Code	2903399090
Summary	2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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