PHTHALIMIDOPEROXYCAPROIC ACID PAP

Phthalimidoperoxycaproic acid

**Synonyms**

2H-Isoindole-2-hexaneperoxoic acid, 1,3-dihydro-1,3-dioxo-; Phthalimido-peroxycaproic acid; PAP;

**Category**

Anionic Surfactant

> Peroxide Acid

**Numbering System**

**CAS RN:** 128275-31-0

**EINECS:** 410-850-8

**Molecular Formula and Molecular Weight**

Molecular Formula: C14H15NO5;

Molecular Weight: 277.27.

**Properties**

**Appearance** (1) Solid; (2) Liquid.

**Solubility** Slightly soluble in water.

**Stability** Stable. Easily reduced.

**Hazardous** Solid form: Combustible, irritating. Harmful combustion products include carbon monoxide, carbon dioxide, etc. Causes skin, eye, and respiratory tract irritation.

**Ecology** May be harmful to the environment, with special attention to aquatic bodies.

**Biodegradability** Biodegradable.

**Characteristics** Possesses excellent oxidizing and bleaching properties.

**Manufacturing Method and Process**

**Quality Standards and Testing Methods**

**(I) Physical and Chemical Indicators**

| Item | Physical and Chemical Indicators |
| --- | --- |
| Solid |
| Active content, %, ≥ | 95.0 |

**Testing Methods**

**1. Active content**

**(II) Harmful Substances Indicators**

| Item | Harmful Substances Indicators |
| --- | --- |
| Solid |
| Heavy metals (as lead), mg/kg, ≤ | 20 |
| Arsenic, mg/kg, ≤ | 3 |

**Testing Methods**

**1. Heavy metals (as lead)**

Cosmetic Safety Technical Specification (2015 Edition)

GB/T 30799 Food Detergent Test Methods - Determination of Heavy Metals

**2. Arsenic**

Cosmetic Safety Technical Specification (2015 Edition)

GB/T 30797 Food Detergent Test Methods - Determination of Total Arsenic

**(III) Further Explanation**

1. Regarding physical and chemical indicators: Primarily, the distribution of carbon atoms should be indicated; secondarily, the average molecular weight should be indicated.

2. When used in cosmetics, it should be tested for harmful substances or further microbial testing in accordance with local regulations and standards.

**Uses and Example Formulas**

**(I) Typical Uses**

Used as an oxidizing agent.

**(II) Organic Synthesis**

Used as an initiator, etc., in polymerization reactions.

**(III) Textile**

Used as a bleaching agent, etc., in the textile field.

**(IV) Household Detergents**

Used as a bleaching agent, etc., in household cleaning products and other fields.

**(V) Personal Care Products**

Used as an oxidizing agent, etc., in personal care products.