Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Benzoic acid,4-phosphono-
Price: Check
Purity: 96.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Benzoic acid,4-phosphono-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

618-21-3

618-21-3 structure

618-21-3 structure

Name: Benzoic acid,4-phosphono-
Chemical Name: 4-phosphonobenzoic acid
CAS Number: 618-21-3
Molecular Formula: C₇H₇O₅P
Molecular Weight: 202.10100
Create Date: 2018-08-17 23:02:31
Modify Date: 2025-09-02 18:26:07

Name	4-phosphonobenzoic acid
Synonyms	Benzoic acid,4-phosphono

Density	1.65g/cm3
Boiling Point	489.1ºC at 760 mmHg
Melting Point	378 °C
Molecular Formula	C₇H₇O₅P
Molecular Weight	202.10100
Flash Point	249.6ºC
Exact Mass	202.00300
PSA	104.64000
LogP	0.18780
Index of Refraction	1.619

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DH6476150

CHEMICAL NAME :: Benzoic acid, (p-phosphono)-

CAS REGISTRY NUMBER :: 618-21-3

BEILSTEIN REFERENCE NO. :: 2938528

LAST UPDATED :: 199709

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C7-H7-O5-P

MOLECULAR WEIGHT :: 202.11

WISWESSER LINE NOTATION :: QVR DPQQO

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ANTCAO Antibiotics and Chemotherapy (Washington, DC). (Washington, DC) V.1-12, 1951-62. For publisher information, see CLMEA3. Volume(issue)/page/year: 3,256,1953

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