Methyldibromo Glutaronitrile
AKA “1, 2-Dibromo-2, 4-dicyanobutane, 35691-65-7, Bromothalonil, 2-BROMO-2-(BROMOMETHYL)PENTANEDINITRILE, Methyldibromoglutaronitrile, Tektamer 38, Tektamer, 2-Bromo-2-(bromomethyl)glutaronitrile, BBMG, MDBGN
Preservative
Ingredient Facts
Methyldibromo glutaronitrile
AKA: 1, 2-Dibromo-2, 4-dicyanobutane, 35691-65-7, Bromothalonil, 2-BROMO-2-(BROMOMETHYL)PENTANEDINITRILE, Methyldibromoglutaronitrile, Tektamer 38, Tektamer, 2-Bromo-2-(bromomethyl)glutaronitrile, BBMG, MDBGN
Preservative · Preservative · EWG: 4
Synthetic
Preservative
Not Clean
2-bromo-2-(bromomethyl)pentanedinitrile
Solubility Very soluble in chloroform, ethyl acetate. Soluble in methanol, ethanol, ether.
Formula
C6H6Br2N2
Mol. Weight
265.93
CAS #
35691-65-7
Form
Powder
State
Crystals with a pungent odor. Insoluble in water. Used as a preservative in latex paint, adhesives, etc.
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.
Preserves Formula
Brightens Skin
Fights Bacteria
Reduces Inflammation
Prevents microbial growth
Traditional Use
Developed in the 1970s as a preservative for cosmetics and industrial applications. Designed to provide broad-spectrum antimicrobial protection in formulations.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
No
EWG
4
CIR
Safe as used
Pregnancy
No
CIR Safety Findings
medical-approval
all-shades-safe
Phototoxicity Concern
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR