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Aromatic building blocks

Bouin's solution

Also known as Acetic acid, mixt. with formaldehyde and 2,4,6-trinitrophenol, Bouin's fixative, acetic acid, formaldehyde, 2,4,6-trinitrophenol

CAS 37330-50-0Formula C9H9N3O10Molar mass 319.18 g/molEC 940-098-0
GHS signal word: Warning. Pictograms: Flammable, Harmful or irritant, Serious health hazard
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Bouin's solution chemical structure, C9H9N3O10, CAS 37330-50-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
37330-50-0
Formula
C9H9N3O10
Molar mass
319.18 g/mol
EC number
940-098-0
HS code
290899
Category
Aromatic building blocks

What is Bouin's solution?

Plain description, key identifiers and synonyms

Bouin's Fixative is a tissue fixative consisting of formaldehyde, glacial acetic acid, and picric acid. It provides particularly excellent preservation of nuclei and chromosomes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
acetic acid, formaldehyde, 2,4,6-trinitrophenol
CAS number
37330-50-0 CAS number cross-checked
EC number
940-098-0
Molecular formula
C9H9N3O10
InChIKey
VADAFWNOUZIFHY-UHFFFAOYSA-N
InChI
InChI=1S/C6H3N3O7.C2H4O2.CH2O/c10-6-4(8(13)14)1-3(7(11)12)2-5(6)9(15)16;1-2(3)4;1-2/h1-2,10H;1H3,(H,3,4);1H2
SMILES (canonical and isomeric)
CC(=O)O.C=O.C1=C(C=C(C(=C1[N+](=O)[O-])O)[N+](=O)[O-])[N+](=O)[O-]

Synonyms

  • Acetic acid, mixt. with formaldehyde and 2,4,6-trinitrophenol
  • Bouin's fixative
  • acetic acid, formaldehyde, 2,4,6-trinitrophenol

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
319.18 g/molcalc.
Exact mass
319.0288 Dacalc.
LogP (octanol/water)
1.02calc.
Topological polar surface area
204 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
9calc.
Rotatable bonds
3calc.
Heavy atoms
22calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.11calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H226Flammable liquid and vapour.
  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H317May cause an allergic skin reaction.
  • H319Causes serious eye irritation.
  • H351Suspected of causing cancer.
  • H371May cause damage to organs.
Precautionary statements (30)
  • P203Obtain, read and follow all safety instructions before use.
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P308 + P316If exposed or concerned: Get emergency medical help immediately.
  • P318If exposed or concerned, get medical advice.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Bouin's solution suppliers

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Bouin's solution price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Fixatives

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Bouin's solution is traded under.

HS 2908.99Indicative HS code

Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or…

World exports in 2024
$77.7M
+4.6% vs 2023, imports $83.7M
2019 to 2024
Top exporters
  1. China32.2%
  2. India * partner reported22.2%
  3. Spain8.5%
Top importers
  1. United States13.9%
  2. Spain10.6%
  3. Turkey8.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Bouin's solution is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Bouin's solution, based on the data on this page

What is Bouin's solution?

Bouin's Fixative is a tissue fixative consisting of formaldehyde, glacial acetic acid, and picric acid. It provides particularly excellent preservation of nuclei and chromosomes.

What is the CAS number of Bouin's solution?

The CAS registry number of Bouin's solution is 37330-50-0.

What is the molecular formula and weight of Bouin's solution?

The molecular formula of Bouin's solution is C9H9N3O10 and its molar mass is 319.18 g/mol.

What is Bouin's solution used for?

Known uses and roles of Bouin's solution include building blocks in research and laboratory and fixatives.

Is Bouin's solution hazardous?

Bouin's solution carries the GHS signal word "Warning". Main hazards: flammable liquid and vapour, harmful if swallowed, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Bouin's solution?

Bouin's solution is usually classified under HS code 290899 (Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Bouin's solution?

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What is the price of Bouin's solution?

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Guides for buyers

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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