548-80-1
548-80-1 structure
- Name: chromotrope 2b
- Chemical Name: disodium,(3E)-5-hydroxy-3-[(4-nitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate
- CAS Number: 548-80-1
- Molecular Formula: C16H9N3Na2O10S2
- Molecular Weight: 513.36600
- Catalog: analytical chemistry Analytical reagent Spectral analysis
- Create Date: 2018-02-13 08:00:00
- Modify Date: 2026-07-11 09:11:39
| Name | disodium,(3E)-5-hydroxy-3-[(4-nitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate |
|---|---|
| Synonyms |
DISODIUM 4 5-DIHYDROXY-3-(P-NITROPHENYLAZO)-2 7-NAPHTHALENEDISULFONATE
ACID RED Chromotrope2B 4,5-Dihydroxy-3-(p-nitrophenylazo)-2,7-naphthalenedisulfonic Acid Disodium Salt Acid Red Acid Red 176~C.I p-Nitrobenzeneazochromotropic acid sodium salt chromotrope 2B disodium 5-hydroxy-3-[(4-nitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate AcidRed176 2-(4-NITROPHENYLAZO)CHROMOTROPIC ACID DISODIUM SALT disodium 4,5-dihydroxy-3-(p-nitrophenylazo)naphthalene-2,7-disulphonate Chromotrope Red 4B C.I.Mordant Black 93 MFCD00003951 2-(4-Nitrophenylazo)chromotropic acid disodium salt, Acid Red Naphtocard Fast Red 3B Chromotropicacid2B C.I.Mordant Black 93:C.I Chromotrope 2B C.I.Acid Red 176:C.I 4-(P-NITROPHENYLAZO)CHROMOTROPIC ACID SODIUM SALT P-NITROBENZENEAZOCHROMOTROPIC ACID SODIUM SALT 4,5-DIHYDROXY-3-(P-NITROPHENYLAZO)-2,7-NAPHTHALENEDISULFONIC ACID DISODIUM SALT B,ChroMotrope Chromotrope 2B, 10 mM in DMSO Chromotrope 2B disodium salt CI NO 4,5-DIHYDROXY-3-(P-NITROPHENYLAZO)-2,7-NAPHTHALENEDISULFONIC CHROMOTROP 2 B Acid Red 176 2,7-Naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-nitrophenyl)azo-]-,disodiumsalt Chromatrope 2B EINECS 208-959-9 Coloring 2B C.I.Acid Red 7-naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-nitrophenyl)azo]-disodium Sodium 2-(p-nitrophenylazo)chromotropate Khromotrop 2B CHROMOTROPE Mordant Black 93 Chromogenic 2B |
| Melting Point | 300 °C |
|---|---|
| Molecular Formula | C16H9N3Na2O10S2 |
| Molecular Weight | 513.36600 |
| Exact Mass | 512.95200 |
| PSA | 242.16000 |
| LogP | 5.06760 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi: Irritant; |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2927000090 |
| HS Code | 2927000090 |
|---|---|
| Summary | 2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |