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Cas Database |
| Name |
2,5-Diaminobenzenesulfonic acid |
EINECS | 201-832-9 |
| CAS No. | 88-45-9 | Density | 1.611 g/cm3 |
| PSA | 114.79000 | LogP | 2.34090 |
| Solubility | 4g/L at 26℃ | Melting Point |
298-300 °C (dec.)(lit.) |
| Formula | C6H8N2O3S | Boiling Point | 500ºC |
| Molecular Weight | 188.207 | Flash Point | Not applicable. |
| Transport Information | UN 2583 8/PG 2 | Appearance | violet powder |
| Safety | 26-36/37/39-45-36 | Risk Codes | 34-36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 C, Xi
|
| Synonyms |
1,4-Diamino-2-benzenesulfonicacid;1,4-Diaminobenzene-2-sulfonic acid;1,4-Phenylenediamine-2-sulfonic acid;1,4-Phenylenediamine-3-sulfonic acid;2,5-Diaminophenyl-1-sulfonic acid;p-Phenylenediamine-2-sulfonic acid;p-Phenylenediaminesulfonic acid; |
Article Data | 26 |
2,5-Diaminobenzenesulfonic acid Synthetic route
Conditions
| Conditions | Yield |
|---|---|
| With [RuCl(P(C6H5)3)2(O(C6H4)NCH(C4H3N))]; bromamine B; sodium hydroxide In water; acetonitrile at 39.84℃; for 4.33333h; | 96% |
- 103303-10-2, 637-70-7, 68456-83-7
N,N'-dichloro-1,4-benzoquinone diimine
- 88-45-9
2,5-diaminobenzenesulfonic acid
Conditions
| Conditions | Yield |
|---|---|
| With sodium disulfite; water |
Conditions
| Conditions | Yield |
|---|---|
| With hydrogenchloride; tin(ll) chloride |
Conditions
| Conditions | Yield |
|---|---|
| With ammonium hydroxide; copper chloride unter Druck; |
Conditions
| Conditions | Yield |
|---|---|
| With copper salt; ammonia unter Druck; |
Conditions
| Conditions | Yield |
|---|---|
| With copper salt; ammonia unter Druck; |
Conditions
| Conditions | Yield |
|---|---|
| With potassium dichromate; acetic acid man gibt dann Natriumsulfit hinzu; |
Conditions
| Conditions | Yield |
|---|---|
| With hydrogenchloride; sodium hydrogensulfite at 107℃; |
Conditions
| Conditions | Yield |
|---|---|
| With hydrogenchloride; tin(ll) chloride |
Conditions
| Conditions | Yield |
|---|---|
| With lead dioxide man filtriert und giesst das Filtrat in eine mit Eisessig angesaeuerte Natriumsulfitloesung; | |
| With sulfuric acid at 145℃; for 7h; | |
| With sulfuric acid; sulfur trioxide | |
| Stage #1: 1,4-phenylenediamine With sulfuric acid at 145℃; for 7h; Stage #2: With water at 135℃; for 3h; | 3.8 g |
2,5-Diaminobenzenesulfonic acid Chemical Properties
Molecular Formula: C6H8N2O3S
Molecular Weight: 188.2
EINECS: 201-832-9
Melting point: 298-300 °C (dec.)(lit.)
Boiling point: 500 °C
pKa/pKb: 8.83 (pKb)
Solubility in water: Very soluble
Appearance: Violet powder
p-Phenylenediaminesulfonic acid's(88-45-9) Synonyms: 1,4-PHENYLENEDIAMINE-2-SULPHONIC ACID;1,4-PHENYLENEDIAMINE-3-SULFONIC ACID;1,4 DIAMINOBENZENE 2 SULFONIC ACID;2,5-DIAMINOBENZENESULFONIC ACID;PARA PHENYLENE DIAMINE SULFONIC ACID;2,5-diamino-benzenesulfonicaci;2,5-diaminobenzenesulphonic acid
p-Phenylenediaminesulfonic acid's(88-45-9) structural formula:
Molecular Weight: 188.2
EINECS: 201-832-9
Melting point: 298-300 °C (dec.)(lit.)
Boiling point: 500 °C
pKa/pKb: 8.83 (pKb)
Solubility in water: Very soluble
Appearance: Violet powder
p-Phenylenediaminesulfonic acid's(88-45-9) Synonyms: 1,4-PHENYLENEDIAMINE-2-SULPHONIC ACID;1,4-PHENYLENEDIAMINE-3-SULFONIC ACID;1,4 DIAMINOBENZENE 2 SULFONIC ACID;2,5-DIAMINOBENZENESULFONIC ACID;PARA PHENYLENE DIAMINE SULFONIC ACID;2,5-diamino-benzenesulfonicaci;2,5-diaminobenzenesulphonic acid
p-Phenylenediaminesulfonic acid's(88-45-9) structural formula:
2,5-Diaminobenzenesulfonic acid Toxicity Data With Reference
| 1. | dns-rat:lvr 100 µmol/L | MUREAV Mutation Research. 206 (1988),183. |
2,5-Diaminobenzenesulfonic acid Consensus Reports
Reported in EPA TSCA Inventory.
2,5-Diaminobenzenesulfonic acid Safety Profile
Mutation data reported. When heated to decomposition it emits toxic vapors of NOx and SOx.
p-Phenylenediaminesulfonic acid's(88-45-9) Safety Information
Hazard Codes C,Xi
Risk Statements 34-36/37/38
Safety Statements 26-36/37/39-45-36
RIDADR UN 2583 8/PG 2
WGK Germany 2
RTECS DB5900100
HazardClass 8
PackingGroup III
2,5-Diaminobenzenesulfonic acid Specification
Handling and Storage for p-Phenylenediaminesulfonic acid(88-45-9)
Storage: Keep container closed when not in use. Corrosives area.
Handling: Minimize dust generation and accumulation in a well ventilated area. Do not breathe dust, vapor, mist, or gas. Keep container tightly closed. Do not ingest or inhale. Discard contaminated shoes.
Storage: Keep container closed when not in use. Corrosives area.
Handling: Minimize dust generation and accumulation in a well ventilated area. Do not breathe dust, vapor, mist, or gas. Keep container tightly closed. Do not ingest or inhale. Discard contaminated shoes.
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2,5-Diaminobenzenesulfonic acid
