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Acid Halides & Anhydrides

Phthalic anhydride anhydrous, ACS, AR 99.00–100.20%

ACS / ARAvailable on request

Phthalic anhydride anhydrous, ACS, AR 99.00–100.20% (CAS 85-44-9) supplier Zemixal. Request a quote with price, lead time and documents.

Pack sizes
Phthalic anhydride anhydrous, ACS, AR 99.00–100.20% chemical structure
CAS number85-44-9
FormulaC8H4O3
Molar mass148.11 g/mol
HS code29173500
Purity99.00–100.20%
InChIKeyLGRFSURHDFAFJT-UHFFFAOYSA-N
IUPAC name2-benzofuran-1,3-dione

About Phthalic anhydride anhydrous, ACS, AR 99.00–100.20%

Phthalic anhydride anhydrous, ACS, AR 99.00–100.20% is part of the Zemixal acid Halides & Anhydrides range. For your records (ACS / AR), the material is defined by CAS 85-44-9, formula C8H4O3 and molar mass 148.11 g/mol.

Where it is used

  • Organic synthesis
  • API synthesis

Safe handling

Classified under GHS with signal word Danger and hazard statements H302, H315, H317 and H318. Read the SDS before first use.

Standard pack sizes are 500 g, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

AR Grade (Analytical Reagent)ACS Grade

Specifications and identifiers

Specifications of Phthalic anhydride anhydrous, ACS, AR 99.00–100.20%
Product namePhthalic anhydride anhydrous, ACS, AR 99.00–100.20%
Catalogue numberZX-038318
CAS number85-44-9
IUPAC name2-benzofuran-1,3-dione
Molecular formulaC8H4O3
Molar mass148.11 g/mol
Exact mass148.016
GradeACS / AR
Purity / assay99.00–100.20%
XLogP31.3
H-bond donors / acceptors0 / 3
Topological polar surface area43.4 Ų
HS code29173500
InChIKeyLGRFSURHDFAFJT-UHFFFAOYSA-N
SMILESC1=CC=C2C(=C1)C(=O)OC2=O
PubChem CID6811
Synonyms1,3-Isobenzofurandione, Phthalandione, Retarder esen, 1,3-Dioxophthalan, 1,3-Phthalandione, Phthalic acid anhydride, Retarder AK, Retarder PD, o-Phthalic acid anhydride, Vulkalent B/C, Anidride ftalica, Ftalowy bezwodnik

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
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H317May cause an allergic skin reaction
  • H318Causes serious eye damage
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
  • H335May cause respiratory irritation

Precautionary statements P233, P260, P261, P264, P264 + P265, P270, P271, P272, P280, P284, P301 + P317, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P319, P321, P330, P332 + P317, P333 + P317, P342 + P316, P362 + P364, P403, P403 + P233

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 Phthalic anhydride anhydrous, ACS, AR 99.00–100.20%
500 gQuoted on request

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

Questions about Phthalic anhydride anhydrous, ACS, AR 99.00–100.20%

Which CAS number identifies Phthalic anhydride anhydrous, ACS, AR 99.00–100.20%?
Phthalic anhydride anhydrous, ACS, AR 99.00–100.20% is registered under CAS 85-44-9. You may also see it listed as 1,3-Isobenzofurandione, Phthalandione, Retarder esen. Our catalogue number for this item is ZX-038318.
What are the formula and molar mass of Phthalic anhydride anhydrous, ACS, AR 99.00–100.20%?
For Phthalic anhydride anhydrous, ACS, AR 99.00–100.20%, its formula is C8H4O3 and its molar mass is 148.11 g/mol. The systematic (IUPAC) name is 2-benzofuran-1,3-dione. InChIKey LGRFSURHDFAFJT-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Phthalic anhydride anhydrous, ACS, AR 99.00–100.20%?
This listing is ACS / AR grade with 99.00–100.20% purity. Standard packs are 500 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Phthalic anhydride anhydrous, ACS, AR 99.00–100.20%?
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 Phthalic anhydride anhydrous, ACS, AR 99.00–100.20% to my country?
Yes. Because Phthalic anhydride anhydrous, ACS, AR 99.00–100.20% 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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