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Herbicides

Bispyribac

Also known as 2,6-Bis((4,6-dimethoxypyrimidin-2-yl)oxy)benzoic acid, 2,6-bis[(4,6-dimethoxypyrimidin-2-yl)oxy]benzoic acid, Benzoic acid, 2,6-bis[(4,6-dimethoxy-2-pyrimidinyl)oxy]-

CAS 125401-75-4Formula C19H18N4O8Molar mass 430.37 g/molEC 603-065-9
6 suppliers listed
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Bispyribac chemical structure, C19H18N4O8, CAS 125401-75-4
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White powder
Melting point
148 to 150 ยฐC
Solubility
Solubility in water at 25 ยฐC: 733 g/L /Bispyribac sodium salt/
HS code
293359
Category
Herbicides
Illustrative photo, white powder in small glass vials on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Bispyribac?

Plain description, key identifiers and synonyms

Bispyribac is a member of the class of benzoic acids that is benzoic acid substituted by (4,6-dimethoxypyrimidin-2-yl)oxy groups at positions 2 and 6. Its sodium salt is used as a broad spectrum post emergent herbicide for the control of grasses, sedges and broadleaf weeds in rice crops. It has a role as a herbicide. It is a member of benzoic acids, a monocarboxylic acid, an aromatic ether and a member of pyrimidines. It is a conjugate acid of a bispyribac(1-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2,6-bis[(4,6-dimethoxypyrimidin-2-yl)oxy]benzoic acid
CAS number
125401-75-4 CAS number cross-checked
EC number
603-065-9
Molecular formula
C19H18N4O8
UNII
9W20BD966G
MDL number
MFCD02071313
InChIKey
RYVIXQCRCQLFCM-UHFFFAOYSA-N
InChI
InChI=1S/C19H18N4O8/c1-26-12-8-13(27-2)21-18(20-12)30-10-6-5-7-11(16(10)17(24)25)31-19-22-14(28-3)9-15(23-19)29-4/h5-9H,1-4H3,(H,24,25)
SMILES (canonical and isomeric)
COC1=CC(=NC(=N1)OC2=C(C(=CC=C2)OC3=NC(=CC(=N3)OC)OC)C(=O)O)OC

Synonyms

  • 2,6-Bis((4,6-dimethoxypyrimidin-2-yl)oxy)benzoic acid
  • 2,6-bis[(4,6-dimethoxypyrimidin-2-yl)oxy]benzoic acid
  • Benzoic acid, 2,6-bis[(4,6-dimethoxy-2-pyrimidinyl)oxy]-
  • Benzoic acid, 2,6-bis((4,6-dimethoxy-2-pyrimidinyl)oxy)-
  • 2,6-bis(4,6-dimethoxypyrimidin-2-yloxy)benzoic acid
  • 2,6-Bis[(4,6-dimethoxy-2-pyrimidinyl)oxy]benzoic acid
  • Nanogen Index code BPX (3-031)
  • 2,6-bis(4,6-dimethoxy-2-pyrimidinyloxy)benzoic acid
  • 2,6-bis[(4.6-dimethoxypyrimidin-2-yl)oxy]benzoic acid
  • 2,6-bis[(4,6-dimethoxypyrimidin-2-yl) oxy]benzoic acid
  • Benzoic acid, 2,6-bis[(4,6-dimethoxy-2-pyrimidinyl)oxy]-, 2,6-Bis[(4,6-dimethoxy-2-pyrimidinyl)oxy]benzoic acid, Bispyribac

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

Appearance
White powderexp.
Melting point
148 to 150 ยฐCexp.
Solubility
Solubility in water at 25 ยฐC: 733 g/L /Bispyribac sodium salt/exp.

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
430.37 g/molcalc.
Exact mass
430.1125 Dacalc.
LogP (octanol/water)
2.58calc.
Topological polar surface area
144.2 ร…ยฒcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
11calc.
Rotatable bonds
9calc.
Heavy atoms
31calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.21calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)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, c1cnc(Oc2cccc(Oc3ncccn3)c2)nc1

c1cnc(Oc2cccc(Oc3ncccn3)c2)nc1

3 rings, 20 atoms.

3 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.

Bispyribac suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 6 suppliers
6 of 6 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

6 suppliers in 3 countries

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Bispyribac price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Herbicide (Bispyribac-sodium).

Pharmacological actions

  • Herbicides

Roles

  • herbicide
  • pesticide

How it is made

Bispyribac-sodium is produced by reaction of 2,6-dihydroxybenzoic acid with 2-chloro-4,6-dimethoxypyrimidine. (Bispyribac-sodium)

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 Bispyribac is traded under.

HS 2933.59Indicative HS code

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring, other

World exports in 2024
$18.4B
+10.5% vs 2023, imports $24.8B
2019 to 2024
Top exporters
  1. Ireland43.6%
  2. Switzerland * partner reported26.3%
  3. China7.9%
Top importers
  1. Slovenia30.3%
  2. United States30.1%
  3. Germany15.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Bispyribac?

Bispyribac is a member of the class of benzoic acids that is benzoic acid substituted by (4,6-dimethoxypyrimidin-2-yl)oxy groups at positions 2 and 6. Its sodium salt is used as a broad spectrum post emergent herbicide for the control of grasses, sedges and broadleaf weeds in rice crops. It has a role as a herbicide.

What is the CAS number of Bispyribac?

The CAS registry number of Bispyribac is 125401-75-4.

What is the molecular formula and weight of Bispyribac?

The molecular formula of Bispyribac is C19H18N4O8 and its molar mass is 430.37 g/mol.

What is Bispyribac used for?

Herbicide (Bispyribac-sodium).

Is Bispyribac hazardous?

No GHS hazard classification for Bispyribac is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Bispyribac?

Bispyribac is usually classified under HS code 293359 (Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ringโ€ฆ). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Bispyribac?

CompoundList lists 6 suppliers of Bispyribac in China, Netherlands and Turkey. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Bispyribac?

Suppliers quote Bispyribac on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

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

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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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