1,4-DIAMINOBUTANE
1,4-Diaminobutane
CAS: 110-60-1
Molecular Formula: C4H12N2
1,4-DIAMINOBUTANE - Names and Identifiers
| Name | 1,4-Diaminobutane |
| Synonyms | H2N(CH2)4NH2 1,4-Butanediamine 1,4-Diaminobutane Tetramethyldiamine butane-1,4-diamine 1,4-Butylenediamine putrescine free base Butylene-1,4-diamine tetramethylenediamine 1,4-Tetramethylenediamine 1,4-Butanediamine, Putrescine, Tetramethylenediamine |
| CAS | 110-60-1 |
| EINECS | 203-782-3 |
| InChI | InChI=1/C4H12N2/c5-3-1-2-4-6/h1-6H2 |
1,4-DIAMINOBUTANE - Physico-chemical Properties
| Molecular Formula | C4H12N2 |
| Molar Mass | 88.15 |
| Density | 0.877g/mLat 25°C(lit.) |
| Melting Point | 27 °C |
| Boling Point | 158-160°C(lit.) |
| Flash Point | 125°F |
| Water Solubility | almost transparency |
| Solubility | cell culture medium: 0.16mg/mL |
| Vapor Presure | 436 Pa (25 °C) |
| Appearance | lyophilized powder |
| Specific Gravity | 0.877 |
| Color | Clear colorless to slightly yellow |
| Merck | 14,7947 |
| BRN | 605282 |
| pKa | 10.8(at 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with acids, acid chlorides, acid anhydrides, strong oxidizing agents. Flammable. |
| Sensitive | Air Sensitive & Hygroscopic |
| Explosive Limit | 0.7-11.2%(V) |
| Refractive Index | n20/D 1.457(lit.) |
| Physical and Chemical Properties | White crystals. Melting point 27-28 ℃, boiling point 158-159 ℃, relative density 0.8777(25/4 ℃), refractive index 1.4567, flash point 51 ℃. Soluble in water, can absorb carbon dioxide. Strong ammonia odor. Its hydrochloride [333-93-7] is white crystal, melting point 290 ℃, soluble in water, insoluble in methanol. |
1,4-DIAMINOBUTANE - Risk and Safety
| Risk Codes | R11 - Highly Flammable R21/22 - Harmful in contact with skin and if swallowed. R23 - Toxic by inhalation R34 - Causes burns R10 - Flammable |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2928 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | EJ6800000 |
| FLUKA BRAND F CODES | 3-10-23-34 |
| TSCA | Yes |
| HS Code | 29212900 |
| Hazard Class | 8 |
| Packing Group | II |
| Toxicity | LD50 orally in Rabbit: 463 mg/kg LD50 dermal Rabbit 1576 mg/kg |
1,4-DIAMINOBUTANE - Reference Information
| LogP | -0.84 at 25℃ and pH10.45-11.86 |
| dissociation constant | 9.35-10.8 at 25 ℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | tetramethylene diamine is an amino acid degradation product. For the preparation of hexahydropyrimidine as a novel hepatitis C virus inhibitor. Reagents also used to synthesize antibacterial castor oil-based polyurethane films. Uses: Uses: Organic synthesis intermediates, used in pharmaceutical and biochemical research. |
| Biological activity | 1,4-Diaminobutane (1,4-Butanediamine, Putrescine) is an unpleasant organic compound, which is produced by the decomposition of amino acids in organisms. It is a biogenic amine. Obtained a hazardous chemicals business license |
| Production method | The reaction of pyrrole and hydroxylamine hydrochloride to obtain butylene dioxime, and then reducing to obtain butylene diamine. |
| category | toxic substances |
| toxicity classification | poisoning |
| acute toxicity | oral-mouse LDL0: 1600 mg/kg |
| flammability hazard characteristics | open flame is combustible; high heat decomposes toxic nitrogen oxide smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; Store separately from oxidants, acids and food and chemical additives |
| fire extinguishing agent | dry powder, foam, carbon dioxide, sand |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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