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

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o-Toluidine

Dyes, indicators and quinones

Cat. No.: F-D0421
CAS: 95-53-4
Formula: C₇H₉N
Purity: ≥ 99%
Pack sizes: 25 g

Pack size	Cat. No.	Price
25 g	F-D0421-25G

Oil Red O (C.I. 26125)

Dyes, indicators and quinones

Cat. No.: F-D0422
CAS: 1320-06-5
Formula: C₂₆H₂₄N₄O
Purity: ≥ 75%
Pack sizes: 25 g, 100 g

Pack size	Cat. No.	Price
25 g	F-D0422-25G
100 g	F-D0422-100G

Oil Red O (C.I. 26125); 0.5% in isopropanol

Dyes, indicators and quinones

Cat. No.: F-D0423
CAS: 1320-06-5
Formula: C₂₆H₂₄N₄O
Pack sizes: 250 mL, 500 mL

Pack size	Cat. No.	Price
250 mL	F-D0423-250ML
500 mL	F-D0423-500ML

Oil Red O (C.I. 26125); 0.5% in propylene glycol

Dyes, indicators and quinones

Cat. No.: F-D0424
CAS: 1320-06-5
Formula: C₂₆H₂₄N₄O
Pack sizes: 100 mL, 250 mL

Pack size	Cat. No.	Price
100 mL	F-D0424-100ML
250 mL	F-D0424-250ML

Oracet blue 2R (C.I. 61110)

Dyes, indicators and quinones

Cat. No.: F-D0425
CAS: 4395-65-7
Formula: C₂₀H₁₄N₂O₂
Pack sizes: 1 g

Pack size	Cat. No.	Price
1 g	F-D0425-1G

Orange G (C.I. 16230)

Dyes, indicators and quinones

Cat. No.: F-D0426
CAS: 1936-15-8
Formula: C₁₆H₁₀N₂Na₂O₇S₂
Purity: ≥ 90%
Pack sizes: 5 g, 25 g, 100 g

Pack size	Cat. No.	Price
5 g	F-D0426-5G
25 g	F-D0426-25G
100 g	F-D0426-100G

Orange II sodium salt

Dyes, indicators and quinones

Cat. No.: F-D0427
CAS: 633-96-5
Formula: C₁₆H₁₁N₂NaO₄S
Purity: ≥ 90%
Pack sizes: 25 g, 100 g, 500 g

Pack size	Cat. No.	Price
25 g	F-D0427-25G
100 g	F-D0427-100G
500 g	F-D0427-500G

Orange OT (C.I. 12100)

Dyes, indicators and quinones

Cat. No.: F-D0428
CAS: 2646-17-5
Formula: C₁₇H₁₄N₂O
Pack sizes: 1 g, 5 g

Pack size	Cat. No.	Price
1 g	F-D0428-1G
5 g	F-D0428-5G

Orcein

Dyes, indicators and quinones

Cat. No.: F-D0429
CAS: 1400-62-0
Formula: C₂₈H₂₄N₂O₇
Pack sizes: 1 g, 5 g, 10 g, ...

Pack size	Cat. No.	Price
1 g	F-D0429-1G
5 g	F-D0429-5G
10 g	F-D0429-10G
25 g	F-D0429-25G

Orcinol monohydrate

Dyes, indicators and quinones

Cat. No.: F-D0430
CAS: 6153-39-5
Formula: C₇H₈O₂·H₂O
Purity: ≥ 99%
Pack sizes: 25 g, 100 g

Pack size	Cat. No.	Price
25 g	F-D0430-25G
100 g	F-D0430-100G

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