tert-Butyl Peroxymaleate (CAS 1931-62-0)
tert-Butyl Peroxymaleate (CAS 1931-62-0) is an organic peroxide compound with molecular formula C8H12O5 and molecular weight 188.18. Also known as tert-Butyl monopermaleate, t-Butyl peroxy maleic acid, Di-tert-butylperoxymaleate. It typically appears in liquid form.
tert-Butyl Peroxymaleate (CAS number: 1931-62-0) is an high-purity chemical raw material that enjoys widespread market recognition as a high-end chemical intermediate in fine chemicals and macromolecular polymerization. It is a core component in advanced coating materials, fiberglass reinforced plastics (FRP), and wind turbine blade manufacturing. Its exceptional chemical characteristics give it an important position in modern industrial formulations, providing enterprises with highly efficient product solutions.
Below you can find its complete physical and chemical properties, safety data, GHS hazard classifications, and a catalog of 5 products from 5 verified manufacturers.
CAS 1931-62-0 is also known as:
- tert-Butyl monopermaleate
- t-Butyl peroxy maleic acid
- Di-tert-butylperoxymaleate
- TERT-BUTYL PEROXYMALEIC ACID
- TERT-BUTYL MONOPEROXYMALEATE
- OO-tert-butyl monoperoxymaleate
- tert-Butyl monoperoxy-cis-butenedioate
- 2-Propeneperoxoic acid, 3-carboxy-, 1-(1,1-dimethylethyl) ester, (2Z)-
CAS Number
1931-62-0
Molecular Formula
C8H12O5
Molecular Weight
188.18
EINECS Number
217-691-1
MDL Number
MFCD00072693
BRN Number
1769609
Chemical Name
tert-Butyl Peroxymaleate
Last Updated
7/16/2025
Aliases
Appearance
Colorless to pale yellow liquid
Appearance State
Liquid. Insoluble in water.
Color
Colorless to Light Yellow
Odor
Faint odor
Form
Liquid
Melting Point
130-131
Boiling Point
260.8 (predicted)
Flash Point
98
Density
1.185 (predicted)
Vapor Density
>1 (air=1)
Vapor Pressure
0.147 Pa @ 25°C
Refractive Index
1.436 (predicted)
LogP Value
3.2 (predicted)
Merck Index
Not Listed
Solubility
642 mg/L at 20°C
Water Solubility
642 mg/L @ 20°C
Solubility Detail
Solubility in water is 642 mg/L (20°C).
Storage Conditions
Store in flammable liquid storage area.
InChI Key
FFFVIPBMSVIZDH-UHFFFAOYSA-N
GHS Hazard Symbols
Hazard Class
Signal Word
Danger
Hazard Symbols
O
Risk Codes
R7, R22, R36/38, R41
UN Number
UN 3102
IARC Classification
Not Classified
WGK Germany
1
RTECS Number
-
Auto-ignition Temperature
ca. 220
TSCA Listed
Listed (Active)
Packing Group
II
Customs Code
29161995
Occupational Exposure Band (OEB)
Not Specified
Occupational Exposure Limit (OEL)
Not Specified
Immediately Dangerous to Life or Health (IDLH)
Not Specified
Hazard Statements
H318,H242,H317,H301Precautionary Statements
P280,P305+P351+P338,P310,P210,P220,P234,P280,P370+P378,P403+P235,P411,P420,P501,P261,P272,P280,P302+P352,P333+P313,P321,P363,P501,P264,P270,P301+P310,P321,P330,P405,P501Safety Statements
S3/7, S14, S26, S36/37/39
5 verified suppliers offering 5 products for tert-Butyl Peroxymaleate (CAS 1931-62-0). Compare equivalent grades across brands (e.g., Trigonox vs Luperox) by assay, physical form, and availability from trusted manufacturers and distributors worldwide.
| Company Name | Product Model | Assay | Physical Form | Status |
|---|---|---|---|---|
| Pergan GmbH | PEROXAN PM-25 S | 2.13% | Suspension | Imported |
| Arkema Changshu site | LUPEROX PNP 25 | 25% | Liquid | Imported |
| Nouryon Chemicals International B.V. | Perkadox PF-MT40 | 40% | Paste | Production Suspended |
| Lanzhou Auxiliary Agent Plant Co., Ltd. | LQ-TBPMA | - | In Production | |
| Dongsung Chemical Co., Ltd. | CHEMEX BMA | 25% | Suspension | In Production |
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