Chapter 32 · Tanning or dyeing extracts, dyes, pigments and other colouring matter, paints, varnishes and inks

HS 3204: synthetic dyes and fluorescent brighteners

222 catalogue products are classified under heading 3204. Dyes, stains, indicators and pigments used in the lab and in industry.

32049000 11732041329 732041259 632041251 532041349 532041351 532041979 532041211 432041341 432041342 432041421 432041929 432041216 332041219 332041299 332041361 332041391 332041399 332041213 232041268 232041310 232041321 232041339 232041343 2

Products under HS 3204

145–192 of 222 products

Methylthymol blue sodium salt

CAS: 1945-77-3
Formula: C₃₇H₄₀N₂Na₄O₁₃S
MW: 844.7 g/mol

ZX-000636

Morin, GR

CAS: 480-16-0
Formula: C₁₅H₁₀O₇
MW: 302.23 g/mol

ZX-002907

MTT tetrazolium

CAS: 298-93-1
Formula: C₁₈H₁₆BrN₅S
MW: 414.3 g/mol

ZX-037107

MTT tetrazolium, 99%+

CAS: 298-93-1
Formula: C₁₈H₁₆BrN₅S
MW: 414.3 g/mol

ZX-000637

MTT tetrazolium, for molecular biology

CAS: 298-93-1
Formula: C₁₈H₁₆BrN₅S
MW: 414.3 g/mol

ZX-037618

Naphthol black

CAS: 1064-48-8
Formula: C₂₂H₁₄N₆Na₂O₉S₂
MW: 616.5 g/mol

ZX-000644

Naphthol green B

CAS: 19381-50-1
Formula: C₃₀H₁₅FeN₃Na₃O₁₅S₃
MW: 878.5 g/mol

ZX-000645

Naphthol green B, ACS, AR

CAS: 19381-50-1
Formula: C₃₀H₁₅FeN₃Na₃O₁₅S₃
MW: 878.5 g/mol

ZX-038266

Neutral red, GR

CAS: 553-24-2
Formula: C₁₅H₁₇ClN₄
MW: 288.77 g/mol

ZX-000650

New fuchsin

CAS: 3248-91-7
Formula: C₂₂H₂₄ClN₃
MW: 365.9 g/mol

ZX-000651

New methylene blue

CAS: 1934-16-3
Formula: C₁₈H₂₂ClN₃S
MW: 347.9 g/mol

ZX-000652

Nigrosine (alcohol soluble) (M.S.), for microscopy

CAS: 11099-03-9
Formula: C₈H₁₉ClN₂O
MW: 194.7 g/mol

ZX-018903

Nigrosine (water soluble)

CAS: 8005-03-6
Formula: C₂₂H₁₄N₆Na₂O₉S₂
MW: 616.5 g/mol

ZX-000655

Nile blue chloride

CAS: 2381-85-3
Formula: C₂₀H₂₀ClN₃O
MW: 353.8 g/mol

ZX-000656

Nile blue sulphate

CAS: 3625-57-8
Formula: C₄₀H₄₀N₆O₆S
MW: 732.8 g/mol

ZX-000657

Nile blue sulphate, AR

CAS: 3625-57-8
Formula: C₄₀H₄₀N₆O₆S
MW: 732.8 g/mol

ZX-038276

Nitrazine yellow, indicator

CAS: 5423-07-4
Formula: C₁₆H₈N₄Na₂O₁₁S₂
MW: 542.4 g/mol

ZX-000658

Nitro BT, indicator

CAS: 298-83-9
Formula: C₄₀H₃₀N₁₀O₆⁺2
MW: 746.7 g/mol

ZX-000390

Nitro BT, indicator, AR

CAS: 298-83-9
Formula: C₄₀H₃₀N₁₀O₆⁺2
MW: 746.7 g/mol

ZX-037206

Nitro BT, indicator, cell culture tested

CAS: 298-83-9
Formula: C₄₀H₃₀N₁₀O₆⁺2
MW: 746.7 g/mol

ZX-037594

Nuclear fast red

CAS: 6409-77-4
Formula: C₁₄H₈NNaO₇S
MW: 357.27 g/mol

ZX-000659

Oil red EGN

CAS: 4477-79-6
Formula: C₂₅H₂₂N₄O
MW: 394.5 g/mol

ZX-000666

Oil red o

CAS: 1320-06-5
Formula: C₂₆H₂₄N₄O
MW: 408.5 g/mol

ZX-000667

Oil red o, certified

CAS: 1320-06-5
Formula: C₂₆H₂₄N₄O
MW: 408.5 g/mol

ZX-000668

Oracet blue 2R

CAS: 4395-65-7
Formula: C₂₀H₁₄N₂O₂
MW: 314.3 g/mol

ZX-000669

Oracet blue B

CAS: 12769-16-3
Formula: C₂₁H₁₆N₂O₂
MW: 328.4 g/mol

ZX-000670

Orange G, for microscopy

CAS: 1936-15-8
Formula: C₁₆H₁₀N₂Na₂O₇S₂
MW: 452.4 g/mol

ZX-000671

Orcein, for microscopy

CAS: 1400-62-0
Formula: C₂₈H₂₄N₂O₇
MW: 500.5 g/mol

ZX-000672

p-Rosolic acid

CAS: 603-45-2
Formula: C₁₉H₁₄O₃
MW: 290.3 g/mol

ZX-000675

p-Xylenol blue, GR

CAS: 125-31-5
Formula: C₂₃H₂₂O₅S
MW: 410.5 g/mol

ZX-000676

Pararosaniline (base) (M.S.) (C.I. 42500b), for microscopy

CAS: 25620-78-4
Formula: C₁₉H₁₉N₃O
MW: 305.4 g/mol

ZX-019695

Pararosaniline base

CAS: 467-62-9
Formula: C₁₉H₁₉N₃O
MW: 305.4 g/mol

ZX-000678

Patent blue V

CAS: 3536-49-0
Formula: C₅₄H₆₂CaN₄O₁₄S₄
MW: 1159.4 g/mol

ZX-000679

Phenol red sodium salt, indicator

CAS: 34487-61-1
Formula: C₁₉H₁₃NaO₅S
MW: 376.4 g/mol

ZX-000681

Phenol red sodium salt, indicator, ACS

CAS: 34487-61-1
Formula: C₁₉H₁₃NaO₅S
MW: 376.4 g/mol

ZX-037310

Phenol red, GR

CAS: 143-74-8
Formula: C₁₉H₁₄O₅S
MW: 354.4 g/mol

ZX-000682

Phloxin B

CAS: 18472-87-2
Formula: C₂₀H₂Br₄Cl₄Na₂O₅
MW: 829.6 g/mol

ZX-000685

Ponceau S

CAS: 6226-79-5
Formula: C₂₂H₁₂N₄Na₄O₁₃S₄
MW: 760.6 g/mol

ZX-000687

Ponceau xylidine

CAS: 3761-53-3
Formula: C₁₈H₁₄N₂Na₂O₇S₂
MW: 480.4 g/mol

ZX-000688

Pyronin B

CAS: 2150-48-3
Formula: C₂₁H₂₇ClN₂O
MW: 358.9 g/mol

ZX-000692

Pyronin G(Y)

CAS: 92-32-0
Formula: C₁₇H₁₉ClN₂O
MW: 302.8 g/mol

ZX-000693

Resazurin sodium salt powder, suitable for cell culture

CAS: 62758-13-8
Formula: C₁₂H₆NNaO₄
MW: 251.17 g/mol

ZX-000696

Resazurin sodium salt, GR

CAS: 62758-13-8
Formula: C₁₂H₆NNaO₄
MW: 251.17 g/mol

ZX-000697

Resazurin, GR

CAS: 62758-13-8
Formula: C₁₂H₆NNaO₄
MW: 251.17 g/mol

ZX-000698

Resazurin, tablets

CAS: 62758-13-8
Formula: C₁₂H₆NNaO₄
MW: 251.17 g/mol

ZX-011758

Rhodamine 6G

CAS: 989-38-8
Formula: C₂₈H₃₁ClN₂O₃
MW: 479 g/mol

ZX-000699

Rhodamine 6G, dye content, 99%

CAS: 989-38-8
Formula: C₂₈H₃₁ClN₂O₃
MW: 479 g/mol

ZX-000700

Rhodamine B, ≥95% (HPLC)

CAS: 81-88-9
Formula: C₂₈H₃₁ClN₂O₃
MW: 479 g/mol

ZX-000702

Other headings in chapter 32

3201Vegetable tanning extracts3 3203Natural colouring matter6 3212Pigment dispersions and retail dyes22

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