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

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Itaconic anhydride
Price: ￥118.0/25g ￥348.0/100g
Purity: 97.0%
Stocking Period: 1 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Itaconic anhydride
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: Itaconic anhydride 2170-03-8
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Itaconic anhydride
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

2170-03-8

2170-03-8 structure

2170-03-8 structure

Name: Itaconic anhydride
Chemical Name: 3-methylideneoxolane-2,5-dione
CAS Number: 2170-03-8
Molecular Formula: C₅H₄O₃
Molecular Weight: 112.08300
Catalog: Chemical reagent Organic reagent fatty acid
Create Date: 2018-04-09 08:00:00
Modify Date: 2025-08-27 20:50:53

Name	3-methylideneoxolane-2,5-dione
Synonyms	EINECS 218-518-2 3,4-dihydro-3-methylidenefuran-2,5-dione 3,4-Dihydro-3-methylene-2,5-furandione Itaconic acid anhydride Itaconic anhydride 2,5-Furandione,dihydro-3-methylene Dihydro-3-methylene-2,5-furandione methylene-dihydro-furan-2,5-dione 2-Methylenesuccinic anhydride 2-methylidenesuccinic anhydride MFCD00005530 Succinic anhydride,methylene 2-methylidenebutanedioic anhydride Methylenesuccinic Anhydride dihydro-3-methylidenefuran-2,5-dione

Density	1.26 g/cm3
Boiling Point	114-115 °C12 mm Hg(lit.)
Melting Point	66-68 °C(lit.)
Molecular Formula	C₅H₄O₃
Molecular Weight	112.08300
Flash Point	114-115°C/12mm
Exact Mass	112.01600
PSA	43.37000
LogP	0.01610
Index of Refraction	1.517

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302-H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2917190090

Precursor 9
97-65-4 77-92-9 14556-16-2 499-12-7
7719-09-7 6318-55-4 108-24-7 75-36-5
108-88-3
DownStream 9
112344-52-2 498-23-7 4100-80-5 48162-88-5
21004-63-7 463-49-0 74-99-7 26735-82-0
97-65-4

HS Code	2917190090
Summary	2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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