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Phenylphosphonic acid

Phenylphosphonic acid structure

CAS No:
1571-33-1
Formula:
C6H7O3P
Chemical Name:
Phenylphosphonic acid
Synonyms:
Phosphonic acid,P-phenyl-;Phosphonic acid,phenyl-;P-Phenylphosphonic acid;Benzenephosphonic acid;Phenylphosphonic acid;Dihydrogen phenylphosphonate;NSC 145;PPA;Phenyl-1-phosphonic acid
Categories:
Organic Chemistry > Phosphines

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Phenylphosphonic acid Basic Attributes

Molecular Weight：

158.09

Exact Mass：

158.09

BRN：

2245168

EC Number：

212-220-6

UNII：

BYD76T2868

NSC Number：

145

DSSTox ID：

DTXSID2044399

HScode：

2931900090

Characteristics

PSA：

57.5

XLogP3：

0.5

Appearance：

White to off-white Crystalline Powder

Density：

1.4±0.1 g/cm3

Melting Point：

163-166 °C

Boiling Point：

241-243 °C(lit.)

Flash Point：

>230 °F

Refractive Index：

1.572

Water Solubility：

H2O: 40.4 g/100 mL (25 ºC)

Storage Conditions：

2-8°C

Safety Information

Packing level：

III

Hazard category：

Transport codes：

UN 3265 8/PG 2

wgk germany：

hazard class code：

34-37-41-37/38-22-38

safety instructions：

26-39-37/39-45-36/37/39

RTECS Number：

TD4393000

Marks：

C,Xn

Precautionary statement(s)：

P280-P305 + P351 + P338-P310

Hazard Statements：

H302-H314

GHS Classification：

|Danger|H302 (92.71%): Harmful if swallowed [Warning Acute toxicity, oral]|P260, P264, P270, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P330, P332+P313, P362, P363, P405, and P501|Aggregated GHS information provided by 97 companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

benzenephosphonic acid

Phenylphosphonic acid Use and Manufacturing

Methods of Manufacturing

It is obtained by hydrolysis of benzene phosphono dichloride.

Uses

It is a synthetic pyrethroid insecticide with contact and stomach toxicity, broad insecticidal spectrum, rapid knockdown, and long-lasting effect. It is used to prevent and control pests such as pear and pear psyllids. Very good killing effect, can also effectively control some underground pests, and have a refusal effect on some adults

Manufacturing Info：

Phosphonic acid, P-phenyl-: ACTIVE

Computed Properties

Molecular Weight:158.09
XLogP3:0.5
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:1
Exact Mass:158.01328108
Monoisotopic Mass:158.01328108
Topological Polar Surface Area:57.5
Heavy Atom Count:10
Complexity:145
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Downstream Products

Phosphoric acid

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