cis-1,2,3,6-Tetrahydrophthalic anhydride
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cis-1,2,3,6-Tetrahydrophthalic anhydride
structure -
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CAS No:
935-79-5
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Formula:
C8H8O3
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Chemical Name:
cis-1,2,3,6-Tetrahydrophthalic anhydride
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Synonyms:
1,3-Isobenzofurandione,3a,4,7,7a-tetrahydro-,(3aR,7aS)-rel-;4-Cyclohexene-1,2-dicarboxylic anhydride,cis-;1,3-Isobenzofurandione,3a,4,7,7a-tetrahydro-,cis-;rel-(3aR,7aS)-3a,4,7,7a-Tetrahydro-1,3-isobenzofurandione;cis-1,2,3,6-Tetrahydrophthalic anhydride;cis-4-Cyclohexene-1,2-dicarboxylic anhydride;cis-Δ4-Tetrahydrophthalic anhydride;cis-1,2,3,6-Tetrahydrophthalic acid anhydride;cis-4-Cyclohexene-1,2-dicarboxylic acid anhydride;NSC 49672;meso-1,2,3,6-Tetrahydrophthalic anhydride;54684-06-9;439919-47-8;478856-60-9;954148-35-7;1446101-65-0;1632398-54-9;1639268-88-4;1690350-49-2;2226787-93-3
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CAS No:
cis-1,2,3,6-Tetrahydrophthalic anhydride Basic Attributes
152.15
152.15
82341
213-308-7
W9Q4666NOS
49672
2917201000
Characteristics
43.4
0.8
White to cream crystalline powder
1.4 g/cm³
103-104 °C
at 6.7kPa: 195°C
156 °C
1.529
Solubility in water: reaction
Keep container closed when not in use. Store protected from moisture.
<0.01 mm Hg ( 20 °C)
5.2 (vs air)
Safety Information
Ⅲ
8
UN 2698 8/PG 3
3
41-42/43-52/53
22-24-26-37/39-61-52/53-42/43-41
GW5775000
Xn
Separated from food and feedstuffs. Dry. Well closed.
Stable under normal temperatures and pressures. May decompose on exposure to moist air or water.
P261-P273-P280-P305 + P351 + P338-P342 + P311
H317-H318-H334-H412
|Danger|H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]|P261, P272, P273, P280, P285, P302+P352, P304+P341, P305+P351+P338, P310, P321, P333+P313, P342+P311, P363, and P501|Aggregated GHS information provided by 120 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
cis-1,2,3,6-Tetrahydrophthalic anhydride Use and Manufacturing
At present, the production process of tetrahydrophthalic anhydride both at home and abroad is the addition reaction of maleic anhydride and 1, 3-butadiene in the presence of a catalyst. It is a traditional and classic production method, and there is no new one. Reports on production methods and process routes.
Can be used as modifier of alkyd resin, epoxy resin curing agent, unsaturated polyester resin, pesticide and pharmaceutical raw materials
1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-, (3aR,7aS)-rel-: ACTIVE
Computed Properties
Molecular Weight:152.15
XLogP3:0.8
Hydrogen Bond Acceptor Count:3
Exact Mass:152.047344113
Monoisotopic Mass:152.047344113
Topological Polar Surface Area:43.4
Heavy Atom Count:11
Complexity:218
Defined Atom Stereocenter Count:2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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cis-1,2,3,6-Tetrahydrophthalic anhydride
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