INTRODUCTION
Guanidine carbonate is a white, crystalline, water-soluble compound with an alkaline and ionic nature. Composed of guanidinium cations and carbonate anions, it offers chemical stability, buffering capacity, and good formulation compatibility. In textile applications, it is used in formulations and fabric treatments for its thickening, softening, lubricating, anti-static, and flame-retardant properties, contributing to improved fabric finish and performance.
MANUFACTURE
Guanidine carbonate does not occur naturally but is synthesized industrially for diverse applications. Guanidine hydrochloride is treated with sodium hydroxide in an aqueous medium, followed by controlled carbonation with CO₂ to produce guanidine carbonate. The resulting product is purified through concentration and cooling crystallization, then filtered, washed, and vacuum-dried to obtain the final product.
| Synonyms | Bisguanidinium carbonate, Diguanidinium carbonate |
| CAS no. | 593-85-1 |
| EINECS no. | 209-813-7 |
| Molecular Formula | C2H10N6·H2CO3 |
| Molecular Weight | 180.17 |
| Structure |  |
APPLICATIONS
Guanidine Carbonate, a strong chemical base, is widely utilized as an organic intermediate across a broad range of industrial applications;
| Cosmetics |
| ➢ Used as a precursor to create mild hair-straightening and relaxing formulas (forming guanidine hydroxide when mixed with Calcium Hydroxide). |
| Textile Industry |
| ➢ Serves as a raw material or additive in detergents, surfactants, flame retardants for textiles. In flame retardant treatments, guanidine carbonate is often used in combination with co-agents to enhance the flame-retardant effect or improve the physical properties of the fabric. |
| Materials & Organic Synthesis |
| ➢ Acts as an accelerator base in carbon-fiber production, a building block for graphitic carbon nitride, and an intermediate for fine chemicals and pharmaceuticals. |
| Analytical Chemistry |
| ➢ Acts as a precipitating agent to measure the weight of metals like zinc, cadmium, and manganese, or to separate magnesium from alkali metals. |
| Other Industrial Applications |
| ➢ Microencapsulation process for carbonless paper. |
| ➢ Used as a chemical additive in cement and construction-material formulations. |
SPECIFICATIONS
| Test | Unit | Specification |
|---|---|---|
| Appearance | – | White crystalline powder |
| Appearance of 20% solution in Water | – | Should be colorless and transparent |
| Moisture | % | NMT 0.20 |
| pH of 4% Solution | – | 11.0 – 11.8 |
| Ash | % | NMT 0.40 |
| Heavy Metals ( EN 71-3:2019+A2:2024) (Method Detection Limit) | ||
| Aluminum (Al) | mg/kg | Max 50 |
| Antimony (Sb) | mg/kg | Max 2 |
| Arsenic (As) | mg/kg | Max 0.1 |
| Barium (Ba) | mg/kg | Max 50 |
| Boron (B) | mg/kg | Max 50 |
| Cadmium (Cd) | mg/kg | Max 0.2 |
| Trivalent Chromium (Cr (III)) * | mg/kg | Max 1.0 |
| Hexavalent Chromium (Cr(VI)) | mg/kg | Max 0.002 |
| Cobalt (Co) | mg/kg | Max 0.2 |
| Copper (Cu) | mg/kg | Max 50 |
| Lead (Pb) | mg/kg | Max 0.2 |
| Manganese (Mn) | mg/kg | Max 50 |
| Mercury (Hg) | mg/kg | Max 0.6 |
| Nickel (Ni) | mg/kg | Max 5 |
| Selenium (Se) | mg/kg | Max 5 |
| Strontium (Sr) | mg/kg | Max 50 |
| Tin (Sn) | mg/kg | Max 0.05 |
| Zinc (Zn) | mg/kg | Max 50 |
| Purity | % | Min 99.0 |
PACKING
25 Kg HDPE drums/ bags
STORAGE
Store in a cool and dry place
REACH status
Not registered
ExSyn offers Guanidine Carbonate on commercial scales and welcomes enquiries. No matter the quantity you need, our exceptional quality and service will make ExSyn your supplier of choice! If you need any additional information or SDS, please contact us.
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