Buy Maleic acid acidemaleique Kyselina maleinova (z)-butenedioicaci Cis-Butenedioic acid Butenedioic acid,(Z)- Chemical Grade from Hebei Longbang Technology Co., Ltd - ECHEMI (2025)

Description

Basic Info

Product Name:

Maleic acid

Other Name:

2-Butenedioic acid (2Z)-;Maleic acid;2-Butenedioic acid (Z)-;(2Z)-2-Butenedioic acid;cis-Butenedioic acid;cis-1,2-Ethylenedicarboxylic acid;Maleinic acid;Toxilic acid;2-Butenedioic acid,(Z)-;cis-2-Butenedioic acid;Scotchbond Multipurpose Etchant;Malezid CM;(2Z)-Butene-2-dioic acid;(Z)-2-Butenedioic acid;1975169-66-4

CAS No.:

110-16-7

Molecular Formula:

C4H4O4

InChIKeys:

InChIKey=VZCYOOQTPOCHFL-UPHRSURJSA-N

Molecular Weight:

116.07

Exact Mass:

116.07

BRN:

605762

EC Number:

203-742-5

UNII:

91XW058U2C

ICSC Number:

1186

NSC Number:

25940

UN Number:

2215|3261

DSSTox ID:

DTXSID8021517|DTXSID6051227|DTXSID2044008

NCI Thesaurus Code:

C25951

Color/Form:

Monoclinic prisms from water|White crystals from water, alcohol and benzene|Colorless crystals

HScode:

29173990

Categories:

Carboxylic Acids and Derivatives

Characteristics

PSA:

74.60000

XLogP3:

-0.01

Appearance:

White Powder/Solid

Density:

1.590 g/cm³ @ Temp: 20 °C

Melting Point:

131 °C

Boiling Point:

110 °C

Flash Point:

127 °C

Refractive Index:

1.526

Water Solubility:

H2O: 790 g/L (25 ºC)

Storage Conditions:

Store at RT.

Vapor Pressure:

1.34X10-5 mm Hg at 25 deg C (OECD Guideline 104 (Vapor Pressure Curve))

Vapor Density:

4.0 (Air = 1)

Odor:

Faint acidulous odor

Taste:

Characteristic repulsive, astringent taste

PKA:

1.83None

Henrys Law Constant:

Henry's Law constant = 1.4X10-12 atm-cu m/mol at 25 °C (est)

Dissociation Constants:

1.83|pKa1 = 1.94, pKa2 = 6.22 at 25 °C (OECD Guideline 105)

Collision Cross Section:

112.5 Ų [M-H]-

Experimental Properties:

Heat of combustion: -1356.3 kJ/mol (crystal)|Heat of combustion: -2,800 cal/g = -117x10+5 J/kg|log Kow = -1.3 at pH 2.5 and 20 °C|Hydroxyl radical reaction rate constant = 7.95X10-12 cu cm/molecule-sec at 25 °C (est)|Ozone reaction rate constant = 8.8X10-19 cu cm/molecule-sec at 25 °C (est)

Air and Water Reactions:

Soluble in water.

Reactive Group:

Acids, Carboxylic

Reactivity Profile:

MALEIC ACID is a colorless to white crystalline solid. Moderately toxic. When heated to decomposition it emits irritating fumes and acrid smoke [Lewis, 3rd ed., 1993, p. 790].

Heat of Combustion:

-1355.2 kJ/mol

Corrosivity:

May corrode metals when wet.

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 4, Oral

Skin irritation, Category 2

Eye irritation, Category 2

Skin sensitization, Category 1

Specific target organ toxicity – single exposure, Category 3

GHS label elements, including precautionary statements

Pictogram(s)
Signal word	Warning
Hazard statement(s)	H302 Harmful if swallowed H315 Causes skin irritation H319 Causes serious eye irritation H317 May cause an allergic skin reaction H335 May cause respiratory irritation
Precautionary statement(s)
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P271 Use only outdoors or in a well-ventilated area.
Response	P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P321 Specific treatment (see ... on this label). P332+P317 If skin irritation occurs: Get medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P333+P317 If skin irritation or rash occurs: Get medical help. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P319 Get medical help if you feel unwell.
Storage	P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Seller Information

Business Type:

Trader

Main Products:

chemical

Location:

1803-1, Block A, Huaqiang Plaza, 77 Minzu Road, Xinhua District, Shijiazhuang City, Hebei Province, China

Payment Terms:

TT against copy of documents,L/C,TT against B/L draft before shipment,100% TT in advance

Average lead Time:

15

Total Annual Revenue:

$5 million-$10 million

Total Employees:

51-100

Year of Establishment:

2023

Inquiry History

10 Inquiries

Country	Product	Purchase Quantity	Date Posted
Russia	maleic acid	120' Fcl	Nov 12, 2024
United States	MALEIC ACID	1528KG	Jan 30, 2024
Nigeria	MALEIC ACID	1000KG	Oct 17, 2023
United States	MALEIC ACID	1528KG	Feb 29, 2024
India	Maleic Acid (pharma grade)	10MT	Oct 30, 2023
United States	Maleic acid	25KG	Oct 17, 2023
United Arab Emirates	Maleic acid	1000.00G	Oct 1, 2022
Russia	maleic acid	120' Fcl	Nov 11, 2024
India	MALEICACID-99%	1000.00KG	Mar 8, 2024
India	Maleic Acid (pharma grade)	10MT	Oct 28, 2023