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Impurities and reference standards

Dihydroxybenzylamine

Also known as 3,4-Dihydroxybenzylamine, 4-(Aminomethyl)-1,2-benzenediol, 1,2-Benzenediol, 4-(aminomethyl)-

CAS 37491-68-2Formula C7H9NO2Molar mass 139.15 g/molEC 240-382-8
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Dihydroxybenzylamine chemical structure, C7H9NO2, CAS 37491-68-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
37491-68-2
Formula
C7H9NO2
Molar mass
139.15 g/mol
EC number
240-382-8
HS code
292229
Category
Impurities and reference standards

What is Dihydroxybenzylamine?

Plain description, key identifiers and synonyms

3,4-dihydroxybenzylamine is a member of catechols.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-(aminomethyl)benzene-1,2-diol
CAS number
37491-68-2Other or deprecated CAS: 16290-26-9
EC number
240-382-8
Molecular formula
C7H9NO2
UNII
PKH8V72L8V
InChIKey
YFMPSMITLLBENU-UHFFFAOYSA-N
InChI
InChI=1S/C7H9NO2/c8-4-5-1-2-6(9)7(10)3-5/h1-3,9-10H,4,8H2
SMILES (canonical and isomeric)
C1=CC(=C(C=C1CN)O)O

Synonyms

  • 3,4-Dihydroxybenzylamine
  • 4-(Aminomethyl)-1,2-benzenediol
  • 1,2-Benzenediol, 4-(aminomethyl)-
  • 4-(aminomethyl)benzene-1,2-diol
  • Dopamine Impurity 4
  • 4-(Aminomethyl)pyrocatechol hydrobromide
  • (3,4-dihydroxyphenyl)methanamine
  • Drotaverine Impurity 16
  • 4-(aminomethyl)pyrocatechol
  • 3, 4 dihydroxybenzylamine
  • 3,4-dihydroxyl benzylamine
  • Dihydroxybenzylamine, 3,4-
  • 3-13-00-02183 (Beilstein Handbook Reference)
  • 1,2-Benzenediol, 4-aminomethyl-
  • 4-(aminomethyl)-benzene-1,2-diol

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
139.15 g/molcalc.
Exact mass
139.0633 Dacalc.
LogP (octanol/water)
0.56calc.
Topological polar surface area
66.48 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.14calc.
Formal charge
0calc.
Stereocentres
0calc.
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

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Dihydroxybenzylamine suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 2 countries

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Dihydroxybenzylamine 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Dihydroxybenzylamine is traded under.

HS 2922.29Indicative HS code

Amino-naphthols and other amino-phenols, other than those containing more than one kind…

World exports in 2024
$467M
−15.3% vs 2023, imports $454M
2019 to 2024
Top exporters
  1. China63.1%
  2. India * partner reported15.5%
  3. Japan4.0%
Top importers
  1. India * partner reported25.8%
  2. United States14.4%
  3. South Korea7.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Dihydroxybenzylamine, based on the data on this page

What is Dihydroxybenzylamine?

3,4-dihydroxybenzylamine is a member of catechols.

Guides for buyers

Practical guides that help when you source, ship or handle Dihydroxybenzylamine

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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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