Name | Guanidine Hydrochloride |
Synonyms | Guanidine HCl guanidinechloride Guanidine Chloride Guanidinium chloride AMINOFORMAMIDINE HCL AMINOMETHANAMIDINE HCL Guanidine Hydrochlorie Guanidine Hydrochloride guanidiniumhydrochloride Guanidinemonohydrochloride Guanidine monohydrochloride guanidine,monohydrochloride AMINOFORMAMIDINE HYDROCHLORIDE AMINOMETHANAMIDINE HYDROCHLORIDE |
CAS | 50-01-1 |
EINECS | 200-002-3 |
InChI | InChI=1/CH5N3.ClH/c2-1(3)4;/h(H5,2,3,4);1H/p+1 |
InChIKey | PJJJBBJSCAKJQF-UHFFFAOYSA-N |
Molecular Formula | CH5N3.ClH |
Molar Mass | 95.53 |
Density | 1.18g/mLat 25°C(lit.) |
Melting Point | 180-185°C(lit.) |
Boling Point | 172.8°C at 760 mmHg |
Flash Point | 58.3°C |
Water Solubility | 2280 g/L (20 ºC) |
Solubility | Easily soluble in water and ethanol, the aqueous solution is neutral. |
Vapor Presure | 1.13mmHg at 25°C |
Appearance | White solid |
Color | White to slightly yellow |
Odor | Odorless |
Maximum wavelength(λmax) | ['λ: 260 nm Amax: 0.040', , 'λ: 280 nm Amax: 0.025'] |
Merck | 14,4562 |
BRN | 3591990 |
PH | 4.5-5.5 (100g/l, H2O, 20℃) |
Storage Condition | room temp |
Stability | Stable. Hygroscopic. Incompatible with strong oxidizing agents. |
Sensitive | Hygroscopic |
Refractive Index | n20/D 1.465 |
MDL | MFCD00013026 |
Physical and Chemical Properties | Character white or yellowish lumps. Melting Point: 181~183 ℃ relative density: 1.354 solubility: Solubility: 200g/100g water, 76g/100g methanol, 24g/100g ethanol at 20 ℃. Almost insoluble in acetone, benzene and ether. |
Use | It is mainly used as an intermediate of drugs and is an important raw material for the manufacture of sulfadiazine, sulfamethazine, sulfadiazine and folic acid |
Risk Codes | R22 - Harmful if swallowed R36/38 - Irritating to eyes and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S22 - Do not breathe dust. |
UN IDs | Not regulated |
WGK Germany | 1 |
RTECS | MF4300000 |
FLUKA BRAND F CODES | 3-10 |
TSCA | Yes |
HS Code | 29252000 |
Toxicity | LD50 orally in Rabbit: 655.3 - 907.1 mg/kg LD50 dermal Rabbit > 2000 mg/kg |
Downstream Products | amiloride hydrochloride hydrate |
Reference Show more | Sun Shengwei, He Jian, Liu Meijuan et al. Extraction, isolation and structural identification of prototype collagen [J]. Journal of Food Safety and quality testing, 2019, 010(023):7947-7952. |