CAS 5808-22-0: Chromotropic acid disodium salt dihydrate
Formula:C10H8O8S2·2H2O·2Na
InChI:InChI=1S/C10H8O8S2.2Na.2H2O/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8;;;;/h1-4,11-12H,(H,13,14,15)(H,16,17,18);;;2*1H2
InChI key:InChIKey=BAXLVCPBGWZLAU-UHFFFAOYSA-N
SMILES:[Na].O=S(=O)(O)C=1C=C(O)C2=C(O)C=C(C=C2C1)S(=O)(=O)O.O
- Synonyms:
- 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, disodium salt, dihydrate
- 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, sodium salt, hydrate (1:2:2)
- 4,5-Dihydroxy-2,7-naphthalene disulfonic acid disodium salt
- 4,5-Dihydroxynaphthalene-2,7-disulfonic aciddisodium salt dihydrate
- Chromotropic acid disodium salt dihydrate
- 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate

Disodium Chromotropate Dihydrate
Formula:
C10H6Na2O8S2·2H2O
Purity:
>98.0%(T)
Color and Shape:
White to Gray to Brown powder to crystaline
Molecular weight:
400.28
Ref: 3B-D0596
25g | 64.00 € | ||
500g | 488.00 € |
Estimated delivery in United States, on Monday 31 Mar 2025

4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, ACS
CAS:5808-22-0
4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, is used to improve the visualization of trichothecenes on developed …
Formula:
C10H6O8S2
Color and Shape:
White to grey, beige or brown, Powder
Molecular weight:
318.27
Ref: 02-022414
5g | 33.00 € | ||
25g | 79.00 € | ||
100g | To inquire |
Estimated delivery in United States, on Tuesday 1 Apr 2025

Sodium 4,5-dihydroxynaphthalene-2,7-disulfonate dihydrate
CAS:5808-22-0
Formula:
C10H10Na2O10S2
Purity:
98%
Color and Shape:
Solid
Molecular weight:
400.2899
Ref: IN-DA0038M9
5g | 26.00 € | ||
25g | 51.00 € | ||
100g | 101.00 € | ||
500g | 319.00 € |
Estimated delivery in United States, on Monday 7 Apr 2025

Ref: 54-BIC0610
5g | 32.00 € | ||
25g | 36.00 € | ||
100g | 82.00 € | ||
500g | 345.00 € | ||
2.5kg | 1,449.00 € |
Estimated delivery in United States, on Tuesday 8 Apr 2025

Chromotropic acid sodium salt
CAS:5808-22-0
Formula:
C10H6Na2O8S2· 2H2O
Purity:
≥ 80.0%
Color and Shape:
White to grey, beige or brown powder
Molecular weight:
400.29
Ref: 7W-GT6352
25g | 35.00 € | ||
5kg | 1,051.00 € | ||
100g | 74.00 € | ||
250g | 138.00 € | ||
500g | 273.00 € |
Estimated delivery in United States, on Tuesday 8 Apr 2025

4,5-Dihydroxynaphthalene-2,7-disulfonic acid, disodium salt dihydrate
CAS:5808-22-0
This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. …
Formula:
C10H6O8S2
Color and Shape:
White to grey to brown, Powder or crystals
Molecular weight:
318.27
Ref: AC-37810
1kg | To inquire | ||
250g | To inquire |
Estimated delivery in United States, on Thursday 10 Apr 2025

4,5-Dihydroxynaphthalene-2,7-disulfonic acid, disodium salt dihydrate, ACS reagent
CAS:5808-22-0
This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. …
Formula:
C10H6O8S2
Color and Shape:
Off-white to beige to grey to light brown, Powder
Molecular weight:
318.27
Ref: AC-30060
10g | 36.00 € | ||
25g | 68.00 € | ||
100g | To inquire |
Estimated delivery in United States, on Thursday 10 Apr 2025

4,5-Dihydroxynaphthalene-2,7-disulfonic Acid, Disodium Salt Dihydrate, 98%
CAS:5808-22-0
This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. …
Formula:
C10H6O8S2
Purity:
98%
Color and Shape:
Powder, Off-white to beige to grey to light brown
Molecular weight:
318.27
Ref: AC-15519
25g | 56.00 € | ||
100g | 108.00 € | ||
500g | 349.00 € |
Estimated delivery in United States, on Thursday 10 Apr 2025

Ref: 10-F549482
5g | To inquire | ||
25g | To inquire | ||
100g | To inquire |
Estimated delivery in United States, on Thursday 17 Apr 2025

Chromotropic acid disodium dihydrate
CAS:5808-22-0
Please enquire for more information about Chromotropic acid disodium dihydrate including the price, delivery time …
Formula:
C10H6O8S2Na2·2H2O
Purity:
Min. 95%
Color and Shape:
Off-White Powder
Molecular weight:
400.29 g/mol
Ref: 3D-FC32383
1kg | 1,096.00 € | ||
2kg | 1,644.00 € | ||
250g | 481.00 € | ||
500g | 734.00 € |
Estimated delivery in United States, on Monday 21 Apr 2025

Chromotropic acid disodium salt dihydrate - ACS reagent
CAS:5808-22-0
ACS reagent
Formula:
C10H6O8S2Na2·2H2O
Color and Shape:
Powder
Molecular weight:
400.29 g/mol
Ref: 3D-FC168034
1kg | 1,157.00 € | ||
100g | 309.00 € | ||
250g | 586.00 € | ||
500g | 843.00 € |
Estimated delivery in United States, on Wednesday 30 Apr 2025

Chromotropic Acid Disodium Salt Dihydrate extrapure AR, 99%
CAS:5808-22-0
Formula:
C10H6O8S2Na2·2H2O
Purity:
min. 99%
Color and Shape:
Off white to brown, Powder, Clear, Brown to pale brown
Molecular weight:
400.28
Ref: SR-31723
10g | 28.00 € | ||
25g | 32.00 € | ||
100g | 56.00 € | ||
500g | 212.00 € |
Estimated delivery in United States, on Monday 5 May 2025

Chromotropic Acid Disodium Salt Dihydrate extrapure AR, ACS, ExiPlus, Multi-Compendial, 99%
CAS:5808-22-0
Formula:
C10H6O8S2Na2·2H2O
Purity:
min. 99%
Color and Shape:
Off white to brown, Powder, Clear, Brown to pale brown
Molecular weight:
400.28
Ref: SR-72580
10g | 28.00 € | ||
25g | 37.00 € | ||
100g | 67.00 € | ||
500g | 245.00 € |
Estimated delivery in United States, on Monday 5 May 2025

Disodium Chromotropate Dihydrate (Technical Grade)
Controlled ProductCAS:5808-22-0
Formula:
C10H6Na2O8S2· 2H2O
Color and Shape:
Neat
Molecular weight:
364.26 + 2(18.02)
Ref: TR-D494918
250mg | 91.00 € | ||
500mg | 102.00 € | ||
2500mg | 208.00 € |
Estimated delivery in United States, on Tuesday 20 May 2025