Dilauroyl peroxide (CAS 105-74-8)
Dilauroyl peroxide (CAS 105-74-8) is an organic peroxide compound with molecular formula C24H46O4 and molecular weight 398.62. Also known as DILAUROYL PEROXIDE, DODECANOYL PEROXIDE, LAUROX(R) S. It is commonly used as a crosslinking agent or polymerization initiator in polymer processing in flaky or granular solid form. Below you can find its complete physical and chemical properties, safety data, GHS hazard classifications, and a catalog of 14 products from 9 verified manufacturers.
CAS Number
105-74-8
Molecular Formula
C24H46O4
Molecular Weight
398.62
EINECS Number
203-326-3
MDL Number
MFCD00008964
BRN Number
2085703
Chemical Name
Dilauroyl peroxide
Last Updated
5/23/2025
Aliases
Appearance
White solid, odorless or with a slight odor
Appearance State
Waxy solid. Insoluble in water, soluble in organic solvents.
Color
White
Odor
Faint, soap-like odor
Form
Flaky or Granular Solid
Melting Point
53–57
Boiling Point
decomposes
Flash Point
194.9
Density
0.91
Vapor Density
13.7 (air=1)
Vapor Pressure
ca. 6.56 × 10⁻⁹ mmHg @ 25°C
Refractive Index
1.4460 (est.)
LogP Value
10.3
Merck Index
3165
Solubility
Insoluble in water, slightly soluble in alcohol, soluble in oils, most organic solvents.
Water Solubility
insoluble in water
Solubility Detail
Soluble in chloroform (slightly), DMSO (slightly, with sonication).
Storage Conditions
Store in refrigerator (ca. +4°C).
InChI Key
YIVJZNGAASQVEM-UHFFFAOYSA-N
GHS Hazard Symbols
Hazard Class
Signal Word
Danger
Hazard Symbols
E
Risk Codes
R7
UN Number
UN 3106
IARC Classification
第 3 组
WGK Germany
1
RTECS Number
OF2625000
Auto-ignition Temperature
112
TSCA Listed
Listed (Active)
Packing Group
II
Customs Code
29159000
Occupational Exposure Band (OEB)
Not Specified
Occupational Exposure Limit (OEL)
ACGIH TWA: 0.1 ppm
Immediately Dangerous to Life or Health (IDLH)
75 mg/m³
Hazard Statements
H242Precautionary Statements
P210, P234, P235, P280, P370+P378, P410Safety Statements
S3/7, S14, S36/37/39
9 verified suppliers offering 14 products for Dilauroyl peroxide (CAS 105-74-8). Compare assay, physical form, and availability from trusted manufacturers and distributors worldwide.
| Company Name | Product Model | Assay | Physical Form | Status |
|---|---|---|---|---|
| Ace Chemical Corp. | ACEOX LPO | 99% | Flake | In Production |
| Lanzhou Auxiliary Agent Plant Co., Ltd. | LQ-LPO | - | In Production | |
| Arkema Changshu site | LUPEROX LPS40 | 40% | Suspension | Imported |
| Nouryon Chemicals International B.V. | Laurox | Flake | In Production | |
| Nouryon Chemicals International B.V. | Laurox W-40 | 40% | Suspension | Imported |
| Nouryon Chemicals International B.V. | Laurox W-40-GD4 | 40% | Suspension | Imported |
| United Initiators GmbH | LP-40-SAQ2 | - | Imported | |
| Chinasun Specialty Products Co.,Ltd. | Enox LPO-99 | 99% | Powder | In Production |
| Jiujiang Qianfa Fine Chemical Co., Ltd. | QF-LPO | 99% | Powder | In Production |
| Pergan GmbH | PEROXAN LP fein | 98% | Powder | Imported |
| Pergan GmbH | PEROXAN LP-40 W | 40% | Suspension | Imported |
| Pergan GmbH | PEROXAN LP | 99% | - | Imported |
| Arkema Changshu site | LUPEROX LP | Flake | Imported | |
| GO YEN CHEMICAL INDUSTRIAL CO., LTD. | GYC LPO | 99% | Flake | In Production |