1374500
USP
Maleic acid
United States Pharmacopeia (USP) Reference Standard
Synonym(s):
cis-Butenedioic acid, Toxilic acid
Select a Size
Select a Size
About This Item
Recommended Products
grade
pharmaceutical primary standard
API family
maleic acid
form
crystalline powder
manufacturer/tradename
USP
mp
130-135 °C (lit.)
solubility
water: 788 g/L at 20 °C
1-propanol: freely soluble
alcohol: freely soluble
chloroform: insoluble
methanol: freely soluble
density
1.59 g/mL at 25 °C (lit.)
application(s)
pharmaceutical (small molecule)
format
neat
storage temp.
2-8°C
Looking for similar products? Visit Product Comparison Guide
1 of 4
This Item | 259950 | B12695 | 801809 |
|---|---|---|---|
| assay 99% | assay 98.0-100.5%, 99% | assay ≥99% | assay ≥99.0% (GC) |
| solubility 0.46 g/L at 30 °C (Decomposes in contact with water) | solubility - | solubility - | solubility 460 mg/L |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| refractive index n20/D 1.538 (lit.) | refractive index n20/D 1.553 (lit.) | refractive index n20/D 1.553 (lit.) | refractive index - |
| bp 177-181 °C (lit.) | bp 198 °C (lit.) | bp 198 °C (lit.) | bp 179.3 °C/1013 hPa |
| mp −43 °C (lit.) | mp −1 °C (lit.) | mp −1 °C (lit.) | mp -39 °C |
General description
Analysis Note
Other Notes
related product
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1 - Skin Sens. 1 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
8A - Combustible corrosive hazardous materials
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Choose from one of the most recent versions:
Certificates of Analysis (COA)
It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.
If you need assistance, please contact Customer Support.
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service
