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| CAS No.: | 156-83-2 |
|---|---|
| Name: | 4-Chloro-2,6-diaminopyrimidine |
| Molecular Structure: | |
|
|
|
| Formula: | C4H5ClN4 |
| Molecular Weight: | 144.564 |
| Synonyms: | Pyrimidine,2,4-diamino-6-chloro- (6CI,7CI,8CI);2,6-Diamino-4-chloropyrimidine;6-Chloro-2,4-diaminopyrimidine;6-Chloropyrimidine-2,4-diamine;NSC 8818; |
| EINECS: | 205-863-9 |
| Density: | 1.564 g/cm3 |
| Melting Point: | 199-202 °C(lit.) |
| Boiling Point: | 438.3 °C at 760 mmHg |
| Flash Point: | 218.9 °C |
| Solubility: | slightly soluble in water |
| Appearance: | white cyrstalline solid |
| Hazard Symbols: |
 Xi, Xn
|
| Risk Codes: | 22-36/37/38 |
| Safety: | 26-24/25 |
| PSA: | 77.82000 |
| LogP: | 1.45680 |
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| Conditions | Yield |
|---|---|
| With trichlorophosphate at 97℃; for 17h; | 85% |
| With trichlorophosphate for 3h; Reflux; | 73% |
- 14989-30-1
hypochloric acid
- 56-06-4
2,6-diaminopyrimidin-4-ol
- 156-83-2
6-chloro-pyrimidine-2,4-diyldiamine
| Conditions | Yield |
|---|---|
| With sodium hydroxide; potassium carbonate; trichlorophosphate In tetrahydrofuran; water; acetone | 47.3% |
- 156-83-2
6-chloro-pyrimidine-2,4-diyldiamine
| Conditions | Yield |
|---|---|
| With pyrographite In water at 70℃; |
- 83170-03-0
2-amino-4-chloro-6-guanidinopyrimidine
- 156-83-2
6-chloro-pyrimidine-2,4-diyldiamine
| Conditions | Yield |
|---|---|
| With ammonia In ethanol at 190℃; |
- 100643-27-4, 143504-99-8
2,6-diamino-3H-pyrimidin-4-one
- 156-83-2
6-chloro-pyrimidine-2,4-diyldiamine
| Conditions | Yield |
|---|---|
| With trichlorophosphate |
- 10132-07-7
4-amino-2,6-dichloropyrimidine
- 156-83-2
6-chloro-pyrimidine-2,4-diyldiamine
| Conditions | Yield |
|---|---|
| With ethanol; ammonia at 160℃; |
| Conditions | Yield |
|---|---|
| With ethanol; ammonia at 160℃; |
- 3764-01-0
2,4,6-trichloropyrimidine
A
- 1004-38-2
2,4,6-triaminopyrimidine
B
- 156-83-2
6-chloro-pyrimidine-2,4-diyldiamine
| Conditions | Yield |
|---|---|
| With ethanol; ammonia at 160℃; |
| Conditions | Yield |
|---|---|
| at 160℃; |
| Conditions | Yield |
|---|---|
| at 160℃; |
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Chemistry
IUPAC Name: 6-chloropyrimidine-2,4-diamine
Empirical Formula: C4H5ClN4
Molecular Weight: 144.5623g/mol
EINECS: 205-863-9
Structure of 4-Chloro-2,6-diaminopyrimidine (CAS NO.156-83-2):
Index of Refraction: 1.702 Molar
Refractivity: 35.8 cm3
Molar Volume: 92.3 cm3
Polarizability: 14.19×10-24cm3
Surface Tension: 88.1 dyne/cm
Density: 1.564 g/cm3
Flash Point: 218.9 °C
Enthalpy of Vaporization: 69.5 kJ/mol
Melting Point: 199-202 °C(lit.)
Boiling Point: 438.3 °C at 760 mmHg
Vapour Pressure: 7.01E-08 mmHg at 25°C
Solubility: slightly soluble
Product Categories: PYRIMIDINE;Pyridines, Pyrimidines, Purines and Pteredines;Heterocyclic Compounds;Pyrimidines;Bases & Related Reagents;Heterocycles;Nucleotides
Canonical SMILES: C1=C(N=C(N=C1Cl)N)N
InChI: InChI=1S/C4H5ClN4/c5-2-1-3(6)9-4(7)8-2/h1H,(H4,6,7,8,9)
InChIKey: QJIUMVUZDYPQRT-UHFFFAOYSA-N
Safety Profile
Hazard Codes: 
Xn,
Xi
Risk Statements: 22-36/37/38
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-24/25
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3
Hazard Note: Irritant
HS Code: 29335995
Specification
4-Chloro-2,6-diaminopyrimidine , its cas register number is 156-83-2. It also can be called 2,4-pyrimidinediamine, 6-chloro- ; 6-chloropyrimidine-2,4-diamine ; 2-amino-4-chloro-6-methyl pyrimidine . 4-Chloro-2,6-diaminopyrimidine (CAS NO.156-83-2) is a white cyrstalline solid.
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