SPADNS

CAS No.
23647-14-5
CCD No.
CCD00003784
Formula
C16 H9 N2 O11 S3 . 3 Na
MolWeight
570.418

Basic Information

Product Name: SPADNS
CAS: 23647-14-5
English Synonyms: 2-(4-SULFOPHENYLAZO)CHROMOTROPIC ACID TRISODIUM SALT ; 4,5-DIHYDROXY-3-(4-SULFOPHENYLAZO)-2,7-NAPHTHALENEDISULFONIC ACID, TRISODIUM SALT ; SPADNS TRISODIUM SALT ; 2,7-NAPHTHALENEDISULFONIC ACID, 4,5-DIHYDROXY-3-[(4-SULFOPHENYL)AZO]-, TRISODIUM SALT ; TRISODIUM 2-(4-SULFOPHENYLAZO)-1,8-DIHYDROXYNAPHTHALENE-3,6-DISULFONATE ; 2-(P-SULFOPHENYLAZO)-1,8-DIHYDROXY-NAPHTHALENE-3,6-DISULFONIC ACID TRISODIUM SALT ; SULFANILIC ACID AZOCHROMOTROP ; 2-(4-SULFOPHENYLAZO)-1,8-DIHYDROXY-3,6-NAPHTHALENE DISULFONIC ACID TRISODIUM SALT ; (4,5-DIHYDROXY-3-[(P-SULFOPHENYL)AZO]-2,7) NAPHTHALENEDISULFONIC ACID, TRISODIUM SALT ; 2-(P-SULFOPHENYLAZO)1,8-DIHYDROXY-3,6 NAPHTHALENE TRISODIUM SALT ; 1,8-DIHYDROXY-2-(4-SULFOPHENYLAZO)NAPHTHALENE-3,6-DISULFONIC ACID TRISODIUM SALT ; SULFANILIC ACID AZOCHROMOTROPE TRISODIUM SALT ; SULFANILIC ACID-AZOCHROMOTROP ; SULFANILIC ACID AZOCHROMOTROP TRISODIUM SALT ; 2-(P-SULFOPHENYLAZO)-1,8-DIHYDROXY-3,6-NAPH-THALENEDISULFONIC ACID TRISODIUM SALT ; P-SULFOPHENYLAZOCHROMOTROPIC ACID TRISODIUM SALT ; SPADNS ; SULFANILIC ACID AZOCHROMOTROPE
MDL Number.: MFCD00003952
H bond acceptor: 13
H bond donor: 2
Smile: c1cc(ccc1/N=N/c2c(cc3cc(cc(c3c2O)O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]
InChi: InChI=1S/C16H12N2O11S3.3Na/c19-12-7-11(31(24,25)26)5-8-6-13(32(27,28)29)15(16(20)14(8)12)18-17-9-1-3-10(4-2-9)30(21,22)23;;;/h1-7,19-20H,(H,21,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3/b18-17+;;;
InChiKey: InChIKey=AEHGQXKBQBMQEK-GLCFPVLVSA-K

Property

Melting Point: >300 DEG C/>300°C
Comments: EINECS: 245-803-9
HAZARD: R 36/37/38
HAZARD: S 26-37
IRRITANT
TSCA: Y
UNSPSC: 12352100

Safety information

Symbol: GHS07 GHS07
Signal word: Warning
Hazard statements: H315,H319,H335
Precautionary statements: P261,P305+P351+P338
hazard symbol: Xi
Risk Code: R:R36/37/38
Safe Code: S:S26;S36
WGK Germany: 3

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