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71501-16-1

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CAS No.: 71501-16-1
Name: 4-Sulfo-1,8-naphthalic anhydride potassium salt
Molecular Structure:
Molecular Structure of 71501-16-1 (4-Sulfo-1,8-naphthalic anhydride potassium salt)
Formula: C12H6 O6 S . K
Molecular Weight: 316.33
Synonyms: 1H,3H-Naphtho[1,8-cd]pyran-6-sulfonicacid, 1,3-dioxo-, potassium salt (9CI); 4-Sulfo-1,8-naphthalic anhydridepotassium salt; 4-Sulfonaphthalic anhydride potassium salt
EINECS: 275-547-3
Melting Point: 207-210ºC
Appearance: straw yellow white uniform powder
Hazard Symbols:
Risk Codes: R36/37/38   
Safety: S26;S36
PSA: 108.95000
LogP: 2.13530
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  • 4-Sulfo-1,8-naphthalic anhydride potassium salt

  • Casno:

    71501-16-1

    4-Sulfo-1,8-naphthalic anhydride potassium salt

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    factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

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Chemistry

Following is the structure of 11H,3H-Naphtho[1,8-cd]pyran-6-sulfonicacid, 1,3-dioxo-, potassium salt (1:1) (CAS NO.71501-16-1):
                               
Empirical Formula: C12H5KO6S
Molecular Weight: 316.3278 g/mol
EINECS: 275-547-3 
Product Categories of 11H,3H-Naphtho[1,8-cd]pyran-6-sulfonicacid, 1,3-dioxo-, potassium salt (1:1) (CAS NO.71501-16-1): Anhydride Monomers; Monomers; Polymer Science
SMILES: [K+].[O-]S(=O)(=O)c1ccc2c3c1cccc3C(=O)OC2=O
InChI: InChI=1/C12H6O6S.K/c13-11-7-3-1-2-6-9(19(15,16)17)5-4-8(10(6)7)12(14)18-11;/h1-5H,(H,15,16,17);/q;+1/p-1
InChIKey: WOHXJVJXAWXEQP-REWHXWOFAX

Safety Profile

Hazard Codes: IrritantXi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
WGK Germany: 3

Specification

 1H,3H-Naphtho[1,8-cd]pyran-6-sulfonicacid, 1,3-dioxo-, potassium salt (1:1) , its cas register number is 71501-16-1. It also can be called 1,8-Naphthalic anhydride-4-sulfonic acid, potassium salt .