1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride

Basic Information

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CAS Number

1204-28-0

Molecular Formula

C9H3ClO4

Molecular Weight

226.57 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Esters

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

Melting Point

67.0 to 70.0 deg-C

Boiling Point

302.37°C (rough estimate)

Flash Point

186.3°C

Refractive Index

1.4571 (estimate)

SMILES

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C1=CC2=C(C=C1C(=O)Cl)C(=O)OC2=O

InChI

InChI=1S/C9H3ClO4/c10-7(11)4-1-2-5-6(3-4)9(13)14-8(5)12/h1-3H

InChIKey

NJMOHBDCGXJLNJ-UHFFFAOYSA-N

LogP

1.3488000000000002

Topological Polar Surface Area

80.67 Å²

Hydrogen Bond Donor/Acceptor

1 / 5

Complexity

312

Safety Information

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GHS Hazard Pictograms

H314

Hazard Statement

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

Hazard Class

Class 8 Class 8

Sensitiveness

Moisture Sensitive

Synonyms & References

English

4-(Chloroformyl)phthalic anhydride
Trimellitic anhydride acid chloride
T1079
1,3-Dioxo-1,3-dihydro-isobenzofuran-5-carbonyl chloride
Trimellitic anhydride monochloride
Trimellitic acid anhydride chloride
Anhydrotrimellitic acid chloride
4-(Chlorocarbonyl)phthalic anhydride
Trimellitic acid anhydride 4-monoacid chloride
4-(Chlorocarboxy)benzenedicarboxylic anhydride
Phthalic , 4-(chloroformyl)-,anhydride
4-Chloroformylphthalic anhydride;5-Isobenzofurancarbonyl chloride, 1,3-dihydro-1,3-dioxo-
1,3-dioxo-2-benzofuran-5-carbonyl chloride
F20325
1,2,4-Benzenetricarboxylic anhydride acid chloride
Trimellitic anhydride chloride, 98%
Trimellitic anhydride chloride
Phthalic anhydride, 4-(chloroformyl)-
AKOS000268753
1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride
1,3-Benzofurandione-5-carbonyl chloride
1,3-dioxo-isobenzofuran-5-carbonyl chloride
5-Isobenzofurancarbonyl chloride,3-dihydro-1,3-dioxo-
DTXSID9061621
EINECS 214-874-8
1204-28-0
BP-12576
1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride #
1,2,4-Benzenetricarboxylic 1,2-anhydride 4-chloride~Phthalic anhydride 4-carbonyl chloride~TMAC; TMAC; Trimellitic anhydride chloride; 4-chloroformylphthalic anhydride;1,2,4-Benzenetricarboxylic anhydride acid chloride
1,3-dioxo-1,3-dihydroisobenzofuran-5-carbonyl chloride
1,3-dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride (trimellitic anhydride chloride)

MDL Number

MFCD00005924

Customs Code

2932999099

FAQ

What regulatory guidelines apply to 1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride (CAS: 1204-28-0)?

1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride (CAS: 1204-28-0) is classified under GHS as a flammable liquid category 3. It is regulated under the REACH regulations regarding the registration, evaluation, authorization, and restriction of chemicals. For FDA and EPA compliance, it is important to follow guidelines for the safe handling and disposal of chemicals. Always consult with local authorities for specific requirements.

Are there alternatives to 1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride (CAS: 1204-28-0) in synthesis?

There are several alternatives to 1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride (CAS: 1204-28-0) in synthesis, including benzofuran derivatives and related compounds. Common alternatives include 1H-Benzo[d][1,3]dioxole-4-carbonyl chloride and 5-Chlorobenzofuran-2-carbonyl chloride. These alternatives may offer similar functionalities but with different reactivities and properties.

What is the market or research trend for 1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride (CAS: 1204-28-0)?

The market trend for 1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride (CAS: 1204-28-0) is driven by its use as a key intermediate in the synthesis of pharmaceuticals and organic compounds. Recent research focuses on its application in developing new drug candidates and materials. Emerging trends include its use in green chemistry approaches and safer alternatives to traditional reagents.

How should waste containing 1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride (CAS: 1204-28-0) be handled?

Waste containing 1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride (CAS: 1204-28-0) should be collected in appropriate containers and labeled. It is recommended to incinerate the waste in an appropriate facility to ensure complete destruction. Alternatively, professional waste disposal services can handle the waste safely. Always follow local regulations and guidelines to ensure environmental protection and compliance.