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| CAS No.: | 461-58-5 |
|---|---|
| Name: | Dicyandiamide |
| Article Data: | 63 |
| Cas Database | |
| Molecular Structure: | |
|
|
|
| Formula: | C2H4N4 |
| Molecular Weight: | 84.0806 |
| Synonyms: | DCD;cyano-(diaminomethylidene)azanium;XB 2879B;Dyhard 100S;Dyhard 100;Araldite HT 986;Ajicure AH 150;Dicyandiamin [German];Epicure DICY 7;Epicure DICY;Amicure AH 162;H 3636S;Adeka HT 2844;N-Cyanoguanidine;2-Cyanoguanidine;Amicure CG 1400;Didin;Dicy 100S;Dicyanex 1400B;Dyhard 100SF;Dicyandiamido;Sodium Dicyandiamide;Bakelite VE 2560;Amicure CG 325;1-Cyanoguanidine;Guanidine,cyano-;Dicy;Dyhard RU 100;Dicyandiamid;DICYANDIAMIN;3,3-Diaminodenzidein;Dicyanex 200;Dicyanodiamide; |
| EINECS: | 207-312-8 |
| Density: | 1.42 g/cm3 |
| Melting Point: | 208-211 °C(lit.) |
| Boiling Point: | 229.8 °C at 760 mmHg |
| Flash Point: | 92.8 °C |
| Solubility: | 32 g/L (20 °C) in water |
| Appearance: | white powder |
| Hazard Symbols: |
 Xn,  T
|
| Risk Codes: | 20/21/22-43-36/38-25 |
| Safety: | 22-24/25-45-36-3 |
| PSA: | 85.69000 |
| LogP: | 0.14148 |
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Chemistry
Molecular Structure:
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Molecular Formula: C2H4N4
Molecular Weight: 84.08
IUPAC Name: 2-Cyanoguanidine
Synonyms of Dicyanodiamide (CAS NO.461-58-5): 1-Cyanoguanidine ; 2-Cyanoguanidine ; ACR-H 3636 ; AI3-14632 ; Araldite HT 986 ; Araldite XB 2879B ; Araldite XB 2979B ; Bakelite VE 2560 ; CCRIS 3478 ; Cyanoguanidine ; Dicyandiamin ; Dicyandiamin [German] ; Dicyanodiamide ; EINECS 207-312-8 ; Epicure DICY 15 ; Epicure DICY 7 ; Guanidine, cyano- ; HSDB 2126 ; N-Cyanoguanidine ; NSC 2031 ; Pyroset DO ; XB 2879B
CAS NO: 461-58-5
Product Categories: Pharmaceutical Intermediates ; INORGANIC & ORGANIC CHEMICALS ; Intermediates ; Organics ; Dyestuff Intermediates
Melting point: 208-211 °C
Index of Refraction: 1.611
Molar Refractivity: 20.55 cm3
Molar Volume: 59.1 cm3
Surface Tension: 72.8 dyne/cm
Density: 1.42 g/cm3
Flash Point: 92.8 °C
Enthalpy of Vaporization: 46.65 kJ/mol
Boiling Point: 229.8 °C at 760 mmHg
Vapour Pressure: 0.068 mmHg at 25°C
Uses
Dicyanodiamide (CAS NO.461-58-5) is used as melamine material. And it is also used as synthesis of pharmaceuticals, pesticides and dyes intermediates.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | > 4gm/kg (4000mg/kg) | Acta Pharmacologica et Toxicologica. Vol. 8, Pg. 329, 1952. | |
| mouse | LD50 | oral | > 10gm/kg (10000mg/kg) | Toksikologicheskii Vestnik. Vol. (4), Pg. 39, 1998. | |
| rabbit | LD50 | intraperitoneal | > 3gm/kg (3000mg/kg) | Acta Pharmacologica et Toxicologica. Vol. 8, Pg. 329, 1952. | |
| rat | LD | oral | > 500mg/kg (500mg/kg) | National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 17, 1953. | |
| rat | LDLo | unreported | 600mg/kg (600mg/kg) | Biochemical Pharmacology. Vol. 14, Pg. 1325, 1965. |
Safety Profile
Hazard Codes of Dicyanodiamide (CAS NO.461-58-5): 
Xn,
T
Risk Statements: 20/21/22-43-36/38-25
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
R43: May cause sensitization by skin contact.
R36/38: Irritating to eyes and skin.
R25: Toxic if swallowed.
Safety Statements: 22-24/25-45-36-3
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36: Wear suitable protective clothing.
S3: Keep in a cool place.
WGK Germany: 1
RTECS: ME9950000
HS Code: 29262000
Specification
Stability: Stable under normal temperatures and pressures.
Storage：Keep container closed when not in use. Store in a cool, dry area away from incompatible substances.
Handling：Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
First Aid Measures:
Ingestion: Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation: Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Skin: Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
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