Iodopropynyl Butylcarbamate

AKA “3-Iodo-2-propynyl butylcarbamate, Ipbc, Woodlife, Troysan KK-108A, 3-IODO-2-PROPYNYLBUTYLCARBAMATE, Caswell No. 501A, 3-iodoprop-2-yn-1-yl N-butylcarbamate, Butyl-3-iodo-2-propynylcarbamate”

Synthetic

Ingredient Facts

Iodopropynyl butylcarbamate

AKA: 3-Iodo-2-propynyl butylcarbamate, Ipbc, Woodlife, Troysan KK-108A, 3-IODO-2-PROPYNYLBUTYLCARBAMATE, Caswell No. 501A, 3-iodoprop-2-yn-1-yl N-butylcarbamate, Butyl-3-iodo-2-propynylcarbamate

Synthetic · Antimicrobial · EWG: 4

Synthetic

Preservative

Synthetic

Clean

A gentle preservative that keeps your formula fresh and effective, preventing unwanted bacteria and mold growth so your product stays safe to use.

Solubility In water, 156 mg/L at 20 °C

Formula

C8H12INO2

Mol. Weight

281.09

CAS #

55406-53-6

Form

Powder

State

3-iodo-2-propynyl butylcarbamate is an off-white solid.

See origin →

Functions

Preservative

Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.

Antimicrobial

Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.

Preserves Formula

Antioxidant Protection

Reduces Inflammation

Locks In Moisture

Prevents microbial growth

Traditional Use

Synthesized in the mid-20th century as a broad-spectrum antimicrobial preservative for cosmetics and personal care products. Developed to replace older preservation systems with improved stability and efficacy.

Skin Types

●all-skin-types

Best For

General

Melanin-Rich Skin

Suitable

Pregnancy & Breastfeeding Safe

Caution

EWG

CIR

Safe w/Qualifications

Pregnancy

Caution

CIR Safety Findings

medical-approval

all-shades-safe

Phototoxicity Concern

Concentration Guide

0.02%

0%0%

Reg. Limit

EU regulatory limit: 0.02%. a) 0.02% b) 0.01% c) 0.0075%. a) Not to be used for children under three years of age (11) b) and c) Not to be used for children under three years of age (12) Source: EU Cosmetics Regulation (EC) 1223/2009, Annex V (Preservatives), Entry 56.