Maleic acid, GR 99%+

Name: Maleic acid, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-008531

About Maleic acid, GR 99%+

Maleic acid (CAS 110-16-7) is a carboxylic acid offered by Vaqora Chemicals in AR grade at a purity of ≥99%. The compound has the formula C4H4O4, corresponding to a molecular weight of 116.07 g/mol. Its systematic (IUPAC) name is (Z)-but-2-enedioic acid. Common synonyms include cis-Butenedioic acid and Toxilic acid.

In its supplied form it is a crystalline powder. Literature values give a melting point of 130 °C and a density of 1.59 g/cm³. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Maleic acid in 100 g, 500 g and 4 x 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Maleic acid, GR 99%+
Catalogue No.	VQ-008531
CAS Number	110-16-7
IUPAC name	(Z)-but-2-enedioic acid
Molecular formula	C₄H₄O₄
Molecular weight	116.07 g/mol
Exact mass	116.011
Grade	AR
Purity / assay	≥99%
HSN code	29171910
InChIKey	VZCYOOQTPOCHFL-UPHRSURJSA-N
SMILES	C(=C\C(=O)O)\C(=O)O
PubChem CID	444266

Physical properties
Physical form	Powder
Appearance	Crystalline powder
Melting point	130 °C
Density	1.59 g/cm³
LogP (XLogP3)	-0.3
H-bond donors / acceptors	2 / 4
TPSA	74.6 Å²
Synonyms	cis-Butenedioic acid, Toxilic acid, Maleinic acid, Malenic acid, (2Z)-but-2-enedioic acid, (Z)-Butenedioic acid, cis-1,2-Ethylenedicarboxylic acid, 2-Butenedioic acid (Z)-, 2-Butenedioic acid (2Z)-, (Z)-2-Butenedioic acid, Kyselina maleinova, Butenedioic acid, (Z)-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P272, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 110-16-7

Synthesis

Maleic acid, 99%

CAS: 110-16-7
Formula: C₄H₄O₄
MW: 116.07 g/mol

VQ-008530

BP

Maleic acid, BP 99.0%

CAS: 110-16-7
Formula: C₄H₄O₄
MW: 116.07 g/mol

VQ-047005

Molecular Biology

Maleic acid, for molecular biology

CAS: 110-16-7
Formula: C₄H₄O₄
MW: 116.07 g/mol

VQ-046554

Frequently asked questions

What is the CAS number of Maleic acid, GR 99%+?

The CAS Registry Number of Maleic acid, GR 99%+ is 110-16-7. It is also known as cis-Butenedioic acid, Toxilic acid, Maleinic acid.

What is the molecular formula and molecular weight of Maleic acid, GR 99%+?

Maleic acid, GR 99%+ has the molecular formula C4H4O4 and a molecular weight of 116.07 g/mol. Its IUPAC name is (Z)-but-2-enedioic acid.

Which grade and pack sizes of Maleic acid, GR 99%+ can I order?

We supply Maleic acid, GR 99%+ in AR (≥99%) grade, in 100 g, 500 g, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Maleic acid, GR 99%+?

Yes. Every lot of Maleic acid, GR 99%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Maleic acid, GR 99%+ be shipped internationally?

Yes. Maleic acid, GR 99%+ is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.