Product
|
Spermidine
- Brand：NO
- Model：1G,10G,1KG,5KG,25KG
- Purity：98%
- Cas：124-20-9
- Createtime： 2026-07-02
- Updatetime： 2026-07-16
Product Details
| useage | FOR R&D RESEARCH USE |
| deliveryInfo | |
| appearance | white to off white powder |
| aliasen | |
| supplyCapacity | 50Tons/Year |
| harbor | SHENZHEN |
| minorder | 1kg |
Basic Information
- CAS No.: 124-20-9
- Chemical Name: Hexamidine Diisethionate
- Synonyms: Hexamidine Di(2-hydroxyethanesulfonate); Hexamidine Isethionate
- Molecular Formula: C??H??N?O??S?
- Molecular Weight: 564.71 g/mol
- Appearance: White or off-white crystalline powder
- Odor: Odorless or slight characteristic odor
- Solubility: Freely soluble in water; slightly soluble in ethanol; insoluble in ether, chloroform and aliphatic hydrocarbons
Chemical & Physical Specifications
| Item | Standard Specification |
|---|---|
| Assay (HPLC) | ≥99.0% |
| Loss on Drying | ≤0.50% |
| Residue on Ignition | ≤0.10% |
| Heavy Metals (Pb) | ≤10 ppm |
| Arsenic (As) | ≤2 ppm |
| pH (1% Aqueous Solution) | 5.0 ~ 7.0 |
| Melting Point | 228–232 °C (decomposes) |
| Particle Size | 98% pass through 100 mesh sieve |
Antimicrobial Performance
- Mechanism of Action: Cationic biguanide bactericide, disrupts bacterial cytoplasmic membrane, inhibits nucleic acid synthesis and protein metabolism of microorganisms.
- Spectrum: Broad-spectrum bacteriostatic & bactericidal against Gram-positive bacteria, Gram-negative bacteria, fungi and yeast.
- Effective against: Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Candida albicans, Malassezia furfur
- Minimal Inhibitory Concentration (MIC): 2–10 μg/mL for common skin flora
Application Fields
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Cosmetic & Personal Care
Preservative for facial cleanser, shampoo, body wash, eye care products, acne treatment essence, sensitive skin care; suitable for rinse-off & leave-on formulations.
-
Medical Antiseptic
Ophthalmic disinfectant, skin wound care, mucosal sanitizer, contact lens care solution additive.
-
Household Sanitizer
Mild disinfectant for hand sanitizer, surface gentle sanitizer, feminine care lotion.
Safety Profile
- Irritation: Low irritation to skin and ocular mucosa under recommended dosage
- Non-phototoxic, non-sensitizing at normal usage concentration
- Recommended maximum addition dosage in cosmetics: 0.1% (w/w)
- No cross-resistance with common antibiotics
Storage & Package
- Storage Condition: Sealed, cool dry place, avoid direct sunlight, temperature ≤25°C
- Shelf Life: 24 months under intact original packaging
- Packaging: 25kg paper drum with double PE inner bag; 1kg / 5kg aluminum foil bag for lab sample
Quality Control Test Method
Quantitative analysis adopts High Performance Liquid Chromatography (HPLC) with UV detector at 263 nm, external standard method for content determination.
