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F6760

Sigma-Aldrich

Fast Red TR Salt 1,5-naphthalenedisulfonate salt

Powder

Synonym(s):

4-Chloro-2-methylbenzenediazonium salt

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1 G
CLP 83,600
5 G
CLP 287,000

CLP 83,600

Estimated to ship onMay 21, 2025

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1 G
CLP 83,600
5 G
CLP 287,000

About This Item

Linear Formula:
C7H6N2Cl · C10H7O6S2
CAS Number:
51503-28-7
Molecular Weight:
440.88
Colour Index Number:
37085
MDL number:
MFCD00069543
UNSPSC Code:
12171500
PubChem Substance ID:
329799757
NACRES:
NA.47

CLP 83,600

Estimated to ship onMay 21, 2025

Request a Bulk Order

Product Name

Fast Red TR Salt 1,5-naphthalenedisulfonate salt,

form

powder

color

white to light yellow

solubility

H2O: 25 mg/mL, clear to slightly hazy

suitability

suitable (as Coupling Agent with Naphthol AS)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

−20°C

SMILES string

[O-]S(C1=CC=CC2=C1C=CC=C2S(O)(=O)=O)(=O)=O.ClC3=CC=C([N+]#N)C(C)=C3

InChI

1S/C10H8O6S2.2C7H6ClN2/c11-17(12,13)9-5-1-3-7-8(9)4-2-6-10(7)18(14,15)16;2*1-5-4-6(8)2-3-7(5)10-9/h1-6H,(H,11,12,13)(H,14,15,16);2*2-4H,1H3/q;2*+1/p-2

InChI key

PSAWWJOJWWUTJJ-UHFFFAOYSA-L

Related Categories

Application

Fast Red TR Salt 1,5-naphthalenedisulfonate salt has been used for tartrate-resistant acid phosphatase (TRAP) staining in tissue sections.[1] It has been used as a chromogen in APAAP (alkaline phosphatase-anti-alkaline phosphatase) procedure.[2]

Pictograms

Health hazard
GHS08

Signal Word

Warning

Hazard Statements

H371

Precautionary Statements

P308 + P311

Hazard Classifications

STOT SE 2

Target Organs

Eyes

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
SHBS1293
SHBR0970
SHBR5508
SHBN4576
MKCJ9565

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