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Monomers & Crosslinking Agents

Tetrahydrophthalic anhydride, 95%

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Order Tetrahydrophthalic anhydride, 95% (CAS 85-43-8) online at Zemixal: C8H8O3, COA and SDS with every lot, worldwide shipping.

Pack sizes
Tetrahydrophthalic anhydride, 95% chemical structure
CAS number85-43-8
FormulaC8H8O3
Molar mass152.15 g/mol
Physical formFlakes
HS code29172000
Purity95%
InChIKeyKMOUUZVZFBCRAM-UHFFFAOYSA-N
IUPAC name3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione

About Tetrahydrophthalic anhydride, 95%

Tetrahydrophthalic anhydride, 95% is part of the Zemixal monomers & Crosslinking Agents range. For your records (95%), the material is defined by CAS 85-43-8, formula C8H8O3 and molar mass 152.15 g/mol. It is described as white to beige to red beige powder to flakes.

Common uses in the lab and plant

  • Polymerisation
  • Crosslinking & curing
  • Adhesives & coatings

Storage and safety notes

Physical constants on file: density 1.36 g/cm3 at 20 °C. Classified under GHS with signal word Danger and hazard statements H317, H318, H334 and H412. Read the SDS before first use.

Order it in 250 g, 500 g, 5 kg and 25 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Polymerisation
  • Crosslinking & curing
  • Adhesives & coatings

Applications

Specifications and identifiers

Specifications of Tetrahydrophthalic anhydride, 95%
Product nameTetrahydrophthalic anhydride, 95%
Catalogue numberZX-018111
CAS number85-43-8
IUPAC name3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
Molecular formulaC8H8O3
Molar mass152.15 g/mol
Exact mass152.0473
Purity / assay95%
Physical formFlakes
AppearanceWhite to beige to red beige powder to flakes
Density1.36 g/cm3 at 20 °C
XLogP30.8
H-bond donors / acceptors0 / 3
Topological polar surface area43.4 Ų
HS code29172000
InChIKeyKMOUUZVZFBCRAM-UHFFFAOYSA-N
SMILESC1C=CCC2C1C(=O)OC2=O
PubChem CID6810
Synonyms1,2,3,6-Tetrahydrophthalic anhydride, 4-Cyclohexene-1,2-dicarboxylic anhydride, Rikacid TH, Tetrahydrophthalic acid anhydride, Memtetrahydro phtalic anhydride, 4-Cyclohexene-1,2-dicarboxylic acid anhydride, 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-, Anhydrid kyseliny tetrahydroftalove, 1,2,3,6-Tetrahydrophthalic acid anhydride, 1,3-Isobenzofurandione, tetrahydro-, Phthalic anhydride, 1,2,3,6-tetrahydro-, 1,3,3a,4,7,7a-hexahydro-2-benzofuran-1,3-dione

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS08 Health hazard
Health hazard

Signal word Danger

  • H317May cause an allergic skin reaction
  • H318Causes serious eye damage
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
  • H412Harmful to aquatic life with long lasting effects

Precautionary statements P233, P260, P261, P264 + P265, P271, P272, P273, P280, P284, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P321, P333 + P317, P342 + P316, P362 + P364, P403, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Tetrahydrophthalic anhydride, 95%
250 gQuoted on request
500 gQuoted on request
5 kgQuoted on request
25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Tetrahydrophthalic anhydride, 95%

Which CAS number identifies Tetrahydrophthalic anhydride, 95%?
Tetrahydrophthalic anhydride, 95% is registered under CAS 85-43-8. You may also see it listed as 1,2,3,6-Tetrahydrophthalic anhydride, 4-Cyclohexene-1,2-dicarboxylic anhydride, Rikacid TH. Our catalogue number for this item is ZX-018111.
What are the formula and molar mass of Tetrahydrophthalic anhydride, 95%?
For Tetrahydrophthalic anhydride, 95%, its formula is C8H8O3 and its molar mass is 152.15 g/mol. The systematic (IUPAC) name is 3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione. InChIKey KMOUUZVZFBCRAM-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Tetrahydrophthalic anhydride, 95%?
This listing is 95% purity. Standard packs are 250 g, 500 g, 5 kg, 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Tetrahydrophthalic anhydride, 95%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Tetrahydrophthalic anhydride, 95% to my country?
Yes. Because Tetrahydrophthalic anhydride, 95% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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