o-tolyl biguanide

CAS Number

93-69-6

EC Number

202-268-6

What is o-tolyl biguanide?

o-Tolyl biguanide (CAS 93-69-6), also known commercially as Aliant, is an organic guanidine-based accelerator used in rubber vulcanization and polymer curing systems.

Where is o-tolyl biguanide used?

Rubber manufacturing: secondary accelerator for controlled cure rates and crosslink density, with thiazole or sulfenamide accelerators in tire components, seals and industrial rubber goods
Latex compounding: uniform vulcanization in dipped goods such as gloves and balloons
Engineering plastics and polymer systems: crosslinking reactions where controlled network formation is critical
Specialty adhesives: rubber-to-substrate bonding with a defined cure profile

Commercial specifications

Technical grade, purity typically 98% or higher
Packaging from kilogram-scale bags to bulk quantities

Other Names (Synonyms)

Request Quote

What are the physical properties of o-tolyl biguanide?

Melting Point 144 °C

Boiling Point 316.98°C (rough estimate)

Density 1.0790 (rough estimate)

Flash Point >230 °F

Appearance White to off-white powder. Combustible.

Color White to Almost white

Form powder to crystal

Water Solubility 2.75g/L at 30℃

Vapor Pressure 0Pa at 25℃

Refractive Index 1.6380 (estimate)

Log P 0.71 at 25℃

How is o-tolyl biguanide classified and handled safely? Learn More

Danger

GHS05· Corrosive GHS07· Irritant

Hazard Statements

H302 Harmful if swallowed

H315 Causes skin irritation

H317 May cause an allergic skin reaction

H318 Causes serious eye damage

Precautionary Statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P264 Wash … thoroughly after handling.

P270 Do not eat, drink or smoke when using this product.

P271 Use only outdoors or in a well-ventilated area.

Which trade and regulatory codes apply to o-tolyl biguanide?

HS Code 29252900

Storage Class 11 - Combustible Solids

WGK (Germany) 1