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2,3-Dimethylmaleic anhydride

2,3-Dimethylmaleic anhydride
2,3-Dimethylmaleic anhydride structure
CAS No.
766-39-2
Chemical Name:
2,3-Dimethylmaleic anhydride
Synonyms
pyrocinchonicanhydride;Pyrocinchonic anhydride;dimethyl-maleicanhydrid;DIMETHYLMALEIC ANHYDRIDE;3,4-dimethyl-5-furandione;TwoMethyl Maleic anhydride;dimethylmaleicacidanhydride;Maleic anhydride, dimethyl-;3,4-Dimethyl-2,5-furandione;2,3-DIMETHYLMALEIC ANHYDRIDE
CBNumber:
CB7179895
Molecular Formula:
C6H6O3
Formula Weight:
126.11
MOL File:
766-39-2.mol

2,3-Dimethylmaleic anhydride Properties

Melting point:
93-96 °C(lit.)
Boiling point:
223 °C(lit.)
Density 
1.107 g/cm3 (100℃)
refractive index 
1.5627 (estimate)
Flash point:
222-223°C
storage temp. 
0-6°C
Water Solubility 
Soluble in ethanol, ether and chloroform. Slightly soluble in water.
Sensitive 
Moisture Sensitive
BRN 
112044
CAS DataBase Reference
766-39-2(CAS DataBase Reference)
NIST Chemistry Reference
2,5-Furandione, 3,4-dimethyl-(766-39-2)
EPA Substance Registry System
2,5-Furandione, 3,4-dimethyl-(766-39-2)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xn,Xi
Risk Statements  22
Safety Statements  45-36/37/39-28A-26
WGK Germany  3
RTECS  ON4025000
9-21
TSCA  Yes
HS Code  2917 19 80
Hazardous Substances Data 766-39-2(Hazardous Substances Data)
Symbol(GHS):
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P501 Dispose of contents/container to..…

2,3-Dimethylmaleic anhydride price More Price(8)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich D167800 2,3-Dimethylmaleic anhydride 98% 766-39-2 5g $89.6 2018-11-13 Buy
Sigma-Aldrich D167800 2,3-Dimethylmaleic anhydride 98% 766-39-2 25g $369 2018-11-13 Buy
TCI Chemical D3473 2,3-Dimethylmaleic Anhydride >98.0%(GC)(T) 766-39-2 5g $73 2018-11-22 Buy
TCI Chemical D3473 2,3-Dimethylmaleic Anhydride >98.0%(GC)(T) 766-39-2 25g $237 2018-11-22 Buy
Alfa Aesar L12919 2,3-Dimethylmaleic anhydride, 97% 766-39-2 25g $239 2018-11-13 Buy

2,3-Dimethylmaleic anhydride Chemical Properties,Uses,Production

Chemical Properties

white to beige crystals or cryst. powder

Uses

2,3-Dimethylmaleic anhydride can be usually used in the synthesis of maleimides and as an amino group protecting agent for superoxide dismutase.

Safety Profile

Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits acrid smoke and irritating fumes. See also ANHYDRIDES.

Purification Methods

Distil the anhydride from *benzene/ligroin and sublime in a vacuum. [Beilstein 17/11 V 69.]

2,3-Dimethylmaleic anhydride Preparation Products And Raw materials

Raw materials

Preparation Products


2,3-Dimethylmaleic anhydride Suppliers

Global( 168)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
+86 (0)571-855 867 18
+86 (0)571-858 647 95 sales@capotchem.com China 19917 60
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sales@mainchem.com CHINA 32451 55
career henan chemical co
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Chemwill Asia Co.,Ltd.
86-21-51086038
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Hubei Jusheng Technology Co.,Ltd.
8615527864001
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Accela ChemBio Inc.
(+1)-858-699-3322
(+1)-858-876-1948 info@accelachem.com United States 12233 58
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 saleschina@alfa-asia.com China 30167 84
Shanghai Everchem Co., Ltd 86-29-81325371
+86-29-81325373 info@everchem.cn China 88 62
Quzhou HuntBio Co., Ltd. +86 (571) 6406-7827 / +86 13868119375
+86 (571) 6479-8288 sales@huntchem.com China 246 60
Nanjing Elegant Nutraceuticals Co., Ltd 0086-25-83241153, 83241163
0086-25-83241173 sales@elegantnutri.com China 51 55

View Lastest Price from 2,3-Dimethylmaleic anhydride manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-07 2,3-Dimethylmaleic anhydride
766-39-2
US $1.00 / KG 1KG 99% Customized career henan chemical co

2,3-Dimethylmaleic anhydride Spectrum


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