3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2,7-disulfonic acid trisodium s

BGC Id:	581542611737
CAS No:	63451-35-4
Synonyms:	hnb ; hydroxynaphthol blue indicator ; hydroxynaphthol blue metal (pm) indicato ; 2,2'-dihydroxy-1,1'-azonaphthalene-3,4,6'-trisulfonic acid trisodiumsalt ; hydroxynaphthol blue,indicator for metal titration ; calver(r) 2 calcium indicator ; hydroxynaphthol blue trisodium salt ; 2-hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3,6-naphthalenedisulfonic aci ; hydroxyethylcellulosehighviscosity(10) ; hydroxynaphthol blue
Molecular Formula:	C20H11N2Na3O11S3
Molecular Weight:	620.47
EINECS:	264-197-7

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The last intensive check and update was carried out on 2025/06/04.

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Synonyms:

hnb ; hydroxynaphthol blue indicator ; hydroxynaphthol blue metal (pm) indicato ; 2,2'-dihydroxy-1,1'-azonaphthalene-3,4,6'-trisulfonic acid trisodiumsalt ; hydroxynaphthol blue,indicator for metal titration ; calver(r) 2 calcium indicator ; hydroxynaphthol blue trisodium salt ; 2-hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3,6-naphthalenedisulfonic aci ; hydroxyethylcellulosehighviscosity(10) ; hydroxynaphthol blue

CAS:

63451-35-4

EINECS:

264-197-7

Molecular Formula:

C20H11N2Na3O11S3

MDL:

Properties

Molecular Weight:

620.47 g·mol−1

Physical Description:

blue crystalline powder

Safety Information

Hazard Symbols: Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

36/37/38 (R)

Safety Codes:

26-36 (S)

What other providers are available for CAS 63451-35-4?

In addition to the providers presented here for 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2,7-disulfonic acid trisodium s with the CAS number 63451-35-4, there are other 22 providers with slightly different product names available for this CAS number.

Hydroxy naphthol blue

Zehao Industry Co., Ltd. | Dayang Chem (Hangzhou) Co.,Ltd. | Leap Chem Co., Ltd | BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +11 additional providers that we know from the past

Hydroxynaphthol blue metal (pM) indicator

+1 additional providers that we know from the past

2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(2-hydroxy-4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt(1:3)

+2 additional providers that we know from the past