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ChemicalBook >> CAS DataBase List >>Bispyribac

Bispyribac

CAS No.
125401-75-4
Chemical Name:
Bispyribac
Synonyms
Bispyribac-d12;2,6-BIS[(4,6-DIMETHOXY-2-PYRIMIDINYL)OXY]BENZOIC ACID;bispyriba;BISPYRIBAC;40%Bispyribac;20%Bispyribac;Shuangcao ether;Bispyribac acid;10%Bispyribac SC;30%Bispyribac SC
CBNumber:
CB7329621
Molecular Formula:
C19H18N4O8
Molecular Weight:
430.37
MDL Number:
MFCD02071313
MOL File:
125401-75-4.mol
MSDS File:
SDS
Last updated:2026-07-31 15:25:14
Product description Number Pack Size Price
2,6-Bis[(4,6-dimethoxypyrimidin-2-yl)oxy]benzoic Acid B6563 5G $61
Bispyribac ≥97% CS-0012885 100g $57
Bispyribac ≥97% CS-0012885 500g $258
Bispyribac ≥97% CS-0012885 100g $57
Bispyribac ≥97% CS-0012885 500g $258
More product size

Bispyribac Properties

Melting point 148-150°
Boiling point 686.4±65.0 °C(Predicted)
Density 1.379±0.06 g/cm3(Predicted)
storage temp. Sealed in dry,Room Temperature
solubility DMSO (Slightly, Sonicated, Heated), Methanol (Slightly)
form Solid
pka 1.58±0.50(Predicted)
color White to Off-White
LogP 1.740 (est)
CAS DataBase Reference 125401-75-4(CAS DataBase Reference)
FDA UNII 9W20BD966G

SAFETY

Risk and Safety Statements

Hazardous Substances Data 125401-75-4(Hazardous Substances Data)

Bispyribac price More Price(36)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical B6563 2,6-Bis[(4,6-dimethoxypyrimidin-2-yl)oxy]benzoic Acid 125401-75-4 5G $61 2026-04-30 Buy
ChemScene CS-0012885 Bispyribac ≥97% 125401-75-4 100g $57 2026-06-04 Buy
ChemScene CS-0012885 Bispyribac ≥97% 125401-75-4 500g $258 2026-06-04 Buy
ChemScene CS-0012885 Bispyribac ≥97% 125401-75-4 100g $57 2026-06-04 Buy
ChemScene CS-0012885 Bispyribac ≥97% 125401-75-4 500g $258 2026-06-04 Buy
Product number Packaging Price Buy
B6563 5G $61 Buy
CS-0012885 100g $57 Buy
CS-0012885 500g $258 Buy
CS-0012885 100g $57 Buy
CS-0012885 500g $258 Buy

Bispyribac Chemical Properties,Uses,Production

Uses

2,6-Bis((4,6-dimethoxypyrimidin-2-yl)oxy)benzoic acid is a useful research chemical.

Definition

ChEBI: 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 an aromatic ether, a member of pyrimidines, a member of benzoic acids and a monocarboxylic acid. It is a conjugate acid of a bispyribac(1-).

Mechanism of action

Selective, systemic action absorbed by foliage and roots. Inhibits plant amino acid synthesis - acetohydroxyacid synthase AHAS.

Synthesis

2,6-Dihydroxybenzoic acid

303-07-1

2-Methanesulfonyl-4,6-dimethoxypyrimidine

113583-35-0

Bispyribac

125401-75-4

The general procedure for the synthesis of 2,6-bis((4,6-dimethoxypyrimidin-2-yl)oxy)benzoic acid from 2,6-dihydroxybenzoic acid and 2-methanesulfonyl-4,6-dimethoxypyrimidine was as follows: 0.04 mol of 2,6-dihydroxybenzoic acid, 0.05 mol of 2-methanesulfonyl-4,6-dimethoxypyrimidine, 0.004 mol of tetra butylammonium bromide and 0.08 mol of potassium carbonate in a reaction vessel. 300 mL of toluene was added as a solvent and heated to reflux for 8 to 10 hours. Upon completion of the reaction, the reaction mixture was cooled to room temperature and the solid product was separated by filtration. The filter cake was washed with toluene and subsequently dried. The dried solid product was mixed with 500 mL of water and 30% hydrochloric acid was added slowly and dropwise with stirring to adjust the pH of the system to 3 to 4. It was filtered again and dried to give 15.7 g of the gray solid product 2,6-bis((4,6-dimethoxypyrimidin-2-yl)oxy)benzoic acid with a purity of 97% and a yield of 85%.

References

[1] Patent: CN106083738, 2016, A. Location in patent: Paragraph 0019; 0020
[2] Patent: JP2018/48180, 2018, A. Location in patent: Paragraph 0053-0054; 0055; 0058-0059; 0060-0061; 0067

Pesticide Type

Herbicide

303-07-1
113583-35-0
125401-75-4
Synthesis of Bispyribac from 2,6-Dihydroxybenzoic acid and 2-Methanesulfonyl-4,6-dimethoxypyrimidine
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View Lastest Price from Bispyribac manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2,6-BIS((4,6-DIMETHOXYPYRIMIDIN-2-YL)OXY)BENZOIC ACID pictures 2024-04-24 2,6-BIS((4,6-DIMETHOXYPYRIMIDIN-2-YL)OXY)BENZOIC ACID
125401-75-4
$700.00 1g 98 500 Kg R&D Scientific Inc.
Bispyribac pictures 2023-08-16 Bispyribac
125401-75-4
$80.00 1KG >99% 20tons Weijer International Trade (Hebei) Co., Ltd
Bispyribac pictures 2023-01-12 Bispyribac
125401-75-4
$1.00 >99% 20tons Anhui Rencheng Technology Co., Ltd
  • Bispyribac pictures
  • Bispyribac
    125401-75-4
  • $80.00
  • >99%
  • Weijer International Trade (Hebei) Co., Ltd
  • Bispyribac pictures
  • Bispyribac
    125401-75-4
  • $1.00
  • >99%
  • Anhui Rencheng Technology Co., Ltd

Bispyribac Spectrum

BISPYRIBAC 2,6-bis(4,6-dimethoxypyrimidin-2-yloxy)benzoic acid Bispyribac acid bispyriba Bispyribac,2,6-Bis((4,6-diMethoxypyriMidin-2-yl)oxy)benzoic acid Benzoic acid, 2,6-bis[(4,6-dimethoxy-2-pyrimidinyl)oxy]- Bispyribac/Bispyribac-Sodium Bispyribac-d12 Shuangcao ether 20%Bispyribac 40%Bispyribac 10%Bispyribac SC 30%Bispyribac SC 2,6-BIS[(4,6-DIMETHOXY-2-PYRIMIDINYL)OXY]BENZOIC ACID 125401-75-4 C19H18N4O8
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