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Dyes, stains, ready-to-use staining solutions and quinones for visualisation, diagnostics and redox chemistry.

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Naphthol AS

Dyes, indicators and quinones

Cat. No.: F-D0401
CAS: 92-77-3
Formula: C₁₇H₁₃NO₂
Purity: ≥ 98.5%
Pack sizes: 25 g

Pack size	Cat. No.	Price
25 g	F-D0401-25G

Naphthol Green B (C.I. 10020)

Dyes, indicators and quinones

Cat. No.: F-D0402
CAS: 19381-50-1
Formula: C₃₀H₁₅FeN₃Na₃O₁₅S₃
Pack sizes: 25 g, 100 g, 250 g, ...

Pack size	Cat. No.	Price
25 g	F-D0402-25G
100 g	F-D0402-100G
250 g	F-D0402-250G
500 g	F-D0402-500G
1 kg	F-D0402-1KG

Naphthol Yellow S

Dyes, indicators and quinones

Cat. No.: F-D0403
CAS: 846-70-8
Formula: C₁₀H₄N₂Na₂O₈S
Pack sizes: 5 g, 25 g, 100 g

Pack size	Cat. No.	Price
5 g	F-D0403-5G
25 g	F-D0403-25G
100 g	F-D0403-100G

Neutral Red (C.I. 50040); 50%

Dyes, indicators and quinones

Cat. No.: F-D0404
CAS: 553-24-2
Formula: C₁₅H₁₇ClN₄
Purity: ≥ 50%
Pack sizes: 100 g, 250 g

Pack size	Cat. No.	Price
100 g	F-D0404-100G
250 g	F-D0404-250G

Neutral Red (C.I. 50040); 90%

Dyes, indicators and quinones

Cat. No.: F-D0405
CAS: 553-24-2
Formula: C₁₅H₁₇ClN₄
Pack sizes: 1 g, 5 g, 25 g, ...

Pack size	Cat. No.	Price
1 g	F-D0405-1G
5 g	F-D0405-5G
25 g	F-D0405-25G
50 g	F-D0405-50G
100 g	F-D0405-100G

New Methylene Blue (C.I. 52030)

Dyes, indicators and quinones

Cat. No.: F-D0406
CAS: 1934-16-3
Formula: C₁₈H₂₂ClN₃S
Purity: ≥ 70%
Pack sizes: 1 g, 10 g

Pack size	Cat. No.	Price
1 g	F-D0406-1G
10 g	F-D0406-10G

Nigrosine (C.I. 50420)

Dyes, indicators and quinones

Cat. No.: F-D0407
CAS: 8005-03-6
Formula: C₂₂H₁₄N₆Na₂O₉S₂
Pack sizes: 25 g, 100 g

Pack size	Cat. No.	Price
25 g	F-D0407-25G
100 g	F-D0407-100G

Nigrosine (C.I. 51180); 5% aqueous solution

Dyes, indicators and quinones

Cat. No.: F-D0408
CAS: 8005-03-6
Formula: C₂₂H₁₄N₆Na₂O₉S₂
Pack sizes: 500 mL

Pack size	Cat. No.	Price
500 mL	F-D0408-500ML

Nile Blue A (C.I. 51180)

Dyes, indicators and quinones

Cat. No.: F-D0409
CAS: 3625-57-8
Formula: C₄₀H₄₀N₆O₆S
Purity: ≥ 65%
Pack sizes: 25 g

Pack size	Cat. No.	Price
25 g	F-D0409-25G

Nile Red

Dyes, indicators and quinones

Cat. No.: F-D0410
CAS: 7385-67-3
Formula: C₂₀H₁₈N₂O₂
Pack sizes: 250 mg, 1 g

Pack size	Cat. No.	Price
250 mg	F-D0410-250MG
1 g	F-D0410-1G

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