Maleic acid, 99%

Name: Maleic acid, 99%
Brand: Vaqora Chemicals
SKU: VQ-008530

About Maleic acid, 99%

Vaqora Chemicals supplies Maleic acid in Synthesis grade, a carboxylic acid registered under CAS number 110-16-7, specified at 99% purity. Formula C4H4O4, molecular weight 116.07 g/mol. The IUPAC name is (Z)-but-2-enedioic acid. Alternative names: malenic acid and maleinic acid.

In its supplied form it is white. Key physical data: a melting point of 137-140 °C and a density of 1.59 g/mL at 25 °C. Keep the container tightly sealed and store it in a cool, dry area. 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. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 500 g, 2.5 kg and 4 x 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Maleic acid, 99%
Catalogue No.	VQ-008530
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	Synthesis
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	Solid
Appearance	White
Melting point	137-140 °C
Density	1.59 g/mL at 25 °C
LogP (XLogP3)	-0.3
H-bond donors / acceptors	2 / 4
TPSA	74.6 Å²
UN number	UN 3077
Synonyms	malenic acid, maleinic acid, toxilic acid, cis-butenedioic 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

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

AR

Maleic acid, GR 99%+

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

VQ-008531

Frequently asked questions

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

The CAS Registry Number of Maleic acid, 99% is 110-16-7. It is also known as malenic acid, maleinic acid, toxilic acid.

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

Maleic acid, 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, 99% can I order?

We supply Maleic acid, 99% in Synthesis (99%) grade, in 500 g, 2.5 kg, 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, 99%?

Yes. Every lot of Maleic acid, 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, 99% be shipped internationally?

Yes. Maleic acid, 99% is classified as hazardous (UN 3077), 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.