| Identification | Back Directory | [Name]
PYRAZOPHOS | [CAS]
13457-18-6 | [Synonyms]
AFUGAN
Curamil
hoe2873
Missile
Siganex
HOE 2873
carbonyl-
AFUGAN(R)
PYRAZOFOS
HOE 02873
Afugan(TM)
ophosphate
NSC 232671
PYRAZOPHOS
Hoechst 2873
Afugan powder
Pyrazophos 0.2
PYRAZOPHOS STANDARD
PYRAZOPHOS, 100MG, NEAT
pyrazophos (bsi,iso)afugan
PYRAZOPHOS PESTANAL, 250 MG
Pyrazophos Solution, 100ppm
Pyrazophos @100 μg/mL in MeOH
Pyrazophos 100mg [13457-18-6]
Pyrazophos powder(content>55%)
l)pyrazolo(1,5-a)pyrimidin-2-ol
Pyrazophos emulsion(content>15%)
Pyrazophos@1000 μg/mL in Acetone
Pyrazophos Solution in Methanol, 100μg/mL
phosphorothioicacid,o,o-diethylester,o-esterwith(6-ethoxycarbonyl-5-methy
Diethyl 6-carbethoxy-5-methylpyrazolo[1,5-a]pyrimidin-2-yl phosphorothioate
pyrazolo-(1,5a)pyrimidine,2-(o,o-diethyl-thionophosphoryl)-5-methyl-6-ethoxy
2-(o,o-diethyl-thionophosphoryl)-5-methyl-6-carbethoxy-pyrazolo-(1,5a)pyrimi
ethyl2-((diethoxyphosphinothioyl)oxy)-5-methylpyrazolo(1,5-a)pyrimidine-6-ca
o,o-diethyl-o-(5-methyl-6-ethoxy-carbonyl-pyrazolo(1.5-a)pyrimid-2-yl)-thion
2-(O,O-Diethyl thionophosphoryl)-5-methyl-6-carbethoxy-pyrazolo(1,5a)pyrimidin
2-(O,O-Diethyl-thionophosphoryl)-5-methyl-6-carbethoxy-pyrazolo-(1,5-a)pyrimidine
ETHYL-2-DIETHOXYPHOSPHINOTHIOYLOXY-5-METHYLPYRAZOLO[1,5-A]-PYRIMIDINE-6-CARBOXYLATE
Pyrazolo(1,5a)pyrimidine, 2-(O,O-diethyl thionophosphoryl)-5-methyl-6-ethoxycarbonyl-
O,O-Diethyl-o-[5-methyl-6-ethoxycarbonylpyrazole [1,5a] pyrimid-2-yl] thionophosphate
Ethyl 2-[(diethoxyphosphorothioyl)oxy]-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate
O,O-Diethyl-O-(5-methyl-6-ethoxy-carbonyl-pyrazolo(1.5-a)pyrimid-2-yl)-thionophosphate
O，O-diethyl-O-(6-ethoxyearbonyl-5-methylpyrazolo[1,5α] pyrimidin-2-yl) thionophosphate
O,O-DIETHYL-O-6-ETHOXYCARBONYL-5-METHYL-PYRAZOLO [1,5-A]PYRIMIDIN-2-YL-PHOSPHOROTHIONATE
0,0-Diethyl ester-0-6-ethoxycarbonyl-5-methyl)-pirazol-(1,5-pyrilidin-2-ol)-thiophosphoric acid
pyrazolo[1,5-a]pyrimidine-6-carboxylicacid,2-[(diethoxyphosphinothioyl)oxy]-5-methyl-,ethylester
Pyrazolo[1,5-a]pyrimidine-6-carboxylic acid, 2-[(diethoxyphosphinothioyl)oxy]-5-methyl-, ethyl ester
phosphorothioicacid,o,o-diethylester,o-esterwith(6-ethoxycarbonyl-5-methyl)pyrazolo(1,5-a)pyrimidin-2-ol
pyrazophos (ISO) O,O-diethyl O-(6-ethoxycarbonyl-5-methylpyrazolo[2,3-a]pyrimidin-2-yl) phosphorothioate
Ethyl 2-hydroxy-5-methylpyrazolo(1,5-a)pyrimidine-6-carboxylate O-ester of O,O-diethylphosphorothioic acid
Phosphorothioic acid, O,O-diethyl ester O-ester with (6-ethoxycarbonyl-5-methyl)pyrazolo(1,5-pyrimidin-2-ol)
phosphorothioicacid,o,o-diethylester,esterwithethyl-2-hydroxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate
Phosphorothioic acid, O,O-diethyl ester, O-ester with (6-ethoxycarbonyl-5-methyl)pyrazolo(1,5-a)pyrimidin-2-ol
Pyrazolo[1,5-a]pyrimidine-6-carboxylic acid, 2-hydroxy-5-methyl-, ethyl ester, O-ester with O,O-diethyl phosphorothioate | [EINECS(EC#)]
236-656-1 | [Molecular Formula]
C14H20N3O5PS | [MDL Number]
MFCD00055494 | [MOL File]
13457-18-6.mol | [Molecular Weight]
373.36 |
| Chemical Properties | Back Directory | [Melting point ]
51℃ | [density ]
1.38±0.1 g/cm3(Predicted) | [vapor pressure ]
2.2 x 10-4 Pa (50 °C) | [storage temp. ]
APPROX 4°C
| [form ]
neat | [pka]
-1.37±0.40(Predicted) | [Water Solubility ]
4.2 mg l-1 (25 °C) | [Merck ]
13,8052 | [BRN ]
577209 | [EPA Substance Registry System]
Pyrazophos (13457-18-6) |
| Hazard Information | Back Directory | [Uses]
Fungicide. | [Uses]
Pyrazophos is a systemic fungicide that provides both protective
and curative control of various fungal diseases such as powdery mildew
(Podosphaera) on apples, stone fruits, bush fruits and strawberries,
Erysiphe in cucurbits and tomatoes, Uncinula on vines and leaf blotch
(Rhynchosporium) in cereals. | [Definition]
ChEBI: A member of the class of pyrazolopyrimidines that is the ethyl ester of 2-[(diethoxyphosphorothioyl)oxy]-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid. A fungicide used to control Erysiphe, Helminthosporium and
ital>Rhynchospium in cereals. | [Metabolic pathway]
Limited information is available to describe the degradation and metabolic
fate of pyrazophos. Hydrolytic cleavage of the P-O-pyrazolopyrimidine
linkage is the primary metabolic pathway. Oxidative
desulfuration of pyrazophos to pyrazophos-oxon is only a minor
pathway, observed in the plant metabolism study (Scheme 1). | [Metabolism]
Its mode of action is believed to be the inhibition of
melanin biosynthesis and the development of appressoria
by fungal conidia. Formulation is available as emulsifiable
concentrate (EC: 30%). Application rates on Oidium spp.
are in the range of 15–30 g a.i./hl. | [Degradation]
Pyrazophos (1) is hydrolysed in acidic or alkaline solution (PM). |
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