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3,4,5,6-Tetrahydrophthalic anhydride

3,4,5,6-Tetrahydrophthalic anhydride structure

CAS No:
2426-02-0
Formula:
C8H8O3
Chemical Name:
3,4,5,6-Tetrahydrophthalic anhydride
Synonyms:
1,3-Isobenzofurandione,4,5,6,7-tetrahydro-;1-Cyclohexene-1,2-dicarboxylic anhydride;4,5,6,7-Tetrahydro-1,3-isobenzofurandione;3,4,5,6-Tetrahydrophthalic anhydride;3,4,5,6-Tetrahydrophthalic acid anhydride;δ1-Tetrahydrophthalic anhydride;1-Cyclohexene-1,2-dicarboxylic acid anhydride;Tetrahydrophthalic anhydride;NSC 11211;NSC 61333;Rikacid HT 1A;4,5,6,7-Tetrahydro-isobenzofuran-1,3-dione;1,3,4,5,6,7-Hexahydro-2-benzofuran-1,3-dione
Categories:
Agrochemicals > Pesticide Intermediates

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Description

White to cream crystalline powder

3,4,5,6-Tetrahydrophthalic anhydride Basic Attributes

Molecular Weight：

152.15

Exact Mass：

152.15

EC Number：

219-374-3

UNII：

01D3M89A2W

NSC Number：

61333|11211

DSSTox ID：

DTXSID9075298

HScode：

2932999099

Characteristics

PSA：

43.4

XLogP3：

1.25

Appearance：

White to cream Crystalline Powder

Density：

1.3±0.1 g/cm3

Melting Point：

74 °C

Boiling Point：

145-155 °C @ Press: 4-5 Torr

Flash Point：

146.1±16.5 °C

Refractive Index：

1.534

Water Solubility：

Solubility in water: reaction

Storage Conditions：

2-8°C

Safety Information

Packing level：

III

Hazard category：

Transport codes：

2698

wgk germany：

hazard class code：

36/37/38-52/53-42/43-41

safety instructions：

26-36-61-37/39-24-22

Marks：

Xi,Xn

Stability/Shelf Life：

Stable at room temperature in closed containers under normal storage and handling conditions.

Precautionary statement(s)：

P261-P273-P280-P305 + P351 + P338-P342 + P311

Hazard Statements：

H317-H318-H334-H412

GHS Classification：

|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 56 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]

Drug Information

MeSH Entry Terms：

3,4,5,6-tetrahydrophthalic acid anhydride

3,4,5,6-Tetrahydrophthalic anhydride Use and Manufacturing

Methods of Manufacturing

The preparation method is to add 1, 2, 3, 6-tetrahydrophthalic anhydride and phosphorus pentoxide to the reactor, and heat to control the reaction temperature to 200°C. During the reaction, low boilers are evaporated, and the reaction is over. After vacuum distillation, the fraction of 144～150℃/600Pa is collected to be 3, 4, 5, 6-tetrahydrophthalic anhydride.

Uses

Used for light-colored or air-drying alkyd resins, light-stabilized unsaturated polyesters, curing agents for epoxy resins, putty resins, PE resins, solvent-free paints, antifouling paints, HF-grade insulating paints, quick-drying at room temperature or Production of anaerobic adhesives, EPS plasticizers, pesticide clotrimazole, azamethrin.

Manufacturing Info：

1,3-Isobenzofurandione, 4,5,6,7-tetrahydro-: ACTIVE|PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.

Use Classification：

Environmental transformation -> Pesticide transformation products (metabolite, successor)

Agrochemical：

Delta-TPA is a known environmental transformation product of Flumioxazin.

Computed Properties

Molecular Weight:152.15
XLogP3:1.3
Hydrogen Bond Acceptor Count:3
Exact Mass:152.047344113
Monoisotopic Mass:152.047344113
Topological Polar Surface Area:43.4
Heavy Atom Count:11
Complexity:237
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Recommended Suppliers of 3,4,5,6-Tetrahydrophthalic anhydride

Zhejiang Yuanjin Chemical Co., Ltd. Contact Supplier

CN
5 YRS

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Manufactory Supplier of Pharmaceutical intermedaite,Agricultural chemical intermediate

3,4,5,6-Tetrahydrophthalic anhydride 97.5% Off-white powder

CAS No.: 2426-02-0

Grade: Industrial Grade

Content: 97.5%

Inquiry
Henan Lihao Chem Plant Limited Contact Supplier

CN
5 YRS

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Trader Supplier of PVC resin,pvc paste resin,melamine

best price 3, 4, 5, 6-Tetrahydrophthalic Anhydride 99% see COA kanbei

CAS No.: 2426-02-0

Content: 99%

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Guide of 3,4,5,6-Tetrahydrophthalic anhydride

Description
Basic Attributes
Characteristics
Safety Information
Drug Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
Latest News
Learn More Other Chemicals

3,4,5,6-Tetrahydrophthalic anhydride

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