1-Nitroso-3,6-disulfonate

HCID 10672

Notes Reactions

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Basic information

CAS: 525-05-3
Standard SMILES: O=Nc1c(O)c(S(=O)(=O)[O-])cc2cc(S(=O)(=O)[O-])ccc12.[Na+].[Na+]
InChIKey: DMKMTGULLYISBH-UHFFFAOYSA-L
Molecular formula: C10H5NNa2O8S2
Average molar mass: 377.3 g/mol
Monoisotopic mass: 376.92519703

Names & identifiers

Preferred name: 1-Nitroso-3,6-disulfonate
IUPAC: disodium;3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate
English name: 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt
Molecular formula: C10H8NNaO8S2
Molecular weight: 357.28

Names & synonyms

1-Nitroso-2-naphthol-3,6-disulfonic acid disodium saltNitroso-R-salt1-Nitroso-3,6-disulfonateDTXSID7060172RefChem:589275DTXCID2041200525-05-3Sodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulfonateNitroso-R saltDisodium 1-nitroso-2-naphthol-3,6-disulfonateNitroso RNitroso R Salt

Show more names

nitrosorNitroso R Sa1-nitroso-r-saltNitroso-R-SaltGrNitroso-RSalt>95%NITROSO-R-SALT AR1-Nitro-2-naphthol-3Nitroso-Rsalt,tech.85%

2,7-NAPHTHALENEDISULFONIC ACID, 3-HYDROXY-4-NITROSO-, DISODIUM SALT3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium saltNITROSO RED SALT32588-53-7NSC 5044AI3-22012disodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulfonateMFCD00003885

Database identifiers

CAS: 525-05-3
PubChem CID: 10672
DTXSID: DTXSID7060172
UNII: 8197875CWH
EC Number: 208-369-1

Properties

Computed structural properties

Topological polar surface area: 181 Å²
Hydrogen bond donors: 1
Hydrogen bond acceptors: 9
Rotatable bonds: 0
Heavy atoms: 23
Formal charge: 0
Complexity: 577

Experimental & physicochemical properties

Chemical ClassesOther Classes -> Other Organic Compounds

Physical DescriptionGolden-yellow solid; [Merck Index] Powder; [Alfa Aesar MSDS]

Physicochemical properties

Melting point: 300 °C · >300 °C(lit.)
solubility: Slightly soluble in methanol and ethanol.
form: Crystalline Powder
color: Yellow to orange
Water Solubility: almost transparency
Merck: 14 · 14,6644
BRN: 3643930 · 3643930
InChI: InChI=1S/C10H7NO8S2.Na.H/c12-10-8(21(17,18)19)4-5-3-6(20(14,15)16)1-2-7(5)9(10)11-13;;/h1-4,12H,(H,14,15,16)(H,17,18,19);;
InChIKey: YSJIUHZRNBXDKS-UHFFFAOYSA-N
SMILES: N(C1=C(C(S(O)(=O)=O)=CC2=CC(S(O)(=O)=O)=CC=C12)O)=O.[NaH]
CAS DataBase Reference: 525 · 525-05-3(CAS DataBase Reference)
FDA UNII: 8197875 CWH · 8197875CWH
EPA Substance Registry System: 2 · 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, disodium salt (525-05-3)
Symbol(GHS): 7 · GHS07
Signal word: Warning
Hazard statements: 302 · H302+H312+H332-H315-H319-H335
Precautionary statements: 261 · P261-P264-P270-P271-P280-P301+P312+P330-P302+P352+P312+P362+P364-P304+P340+P312-P305+P351+P338+P337+P313-P501-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes: Xn
Risk Statements: 20 · 20/21/22
Safety Statements: 22 · 22-24/25
WGK Germany: 3 · 3
RTECS: 6480000 · QJ6480000
TSCA: TSCA listed
HS Code: 29089990 · 29089990

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Warning

H302 (91.1%): Harmful if swallowed [Warning Acute toxicity, oral]

P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 45 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 2 items

Chemical: 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, disodium salt

2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, disodium salt: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

Hazards SummaryA skin and strong eye irritant; [Alfa Aesar MSDS] See 1-Nitroso-2-naphthol.

Hazard Classes and CategoriesAcute Tox. 4 (91.1%)

Safety data

wgk: 3
tsca: TSCA listed
rtecs: QJ6480000
hs_code: 29089990
risk_code: 20/21/22
Signal word: Warning
Symbol(GHS): GHS07
hazard_code: Xn
safety_code: 22-24/25
Hazard statements: H302+H312+H332-H315-H319-H335
Precautionary statements: P261-P264-P270-P271-P280-P301+P312+P330-P302+P352+P312+P362+P364-P304+P340+P312-P305+P351+P338+P337+P313-P501-P280a-P304+P340-P305+P351+P338-P405-P501a

Chemistry & industry

Uses & manufacturing

UsesUsed as a reagent for cobalt and potassium; [Merck Index]

General Manufacturing Information2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, sodium salt (1:2): ACTIVE

Applications

Uses1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt is the most sensitive determination of trace cobalt reagents used for determination of cobalt and potassium-sensitive reagents.

UsesAs a reagent for cobalt and potassium.

Upstream & downstream products

Upstream raw materials

Sodium nitrite

Suppliers100 total

梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]

上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]

湖南韵邦生物科技股份有限公司0731-88532326 13319508186 · [email protected]

上海康朗生物科技有限公司021-61998208 18217752821 · [email protected]

天津市光复科技发展有限公司022-85689490 13132141716 · [email protected]

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