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Sodium p-hydroxybenzoate

Sodium p-hydroxybenzoate structure

CAS No:
114-63-6
Formula:
C7H6O3.Na
Chemical Name:
Sodium p-hydroxybenzoate
Synonyms:
Benzoic acid,4-hydroxy-,sodium salt (1:1);Benzoic acid,p-hydroxy-,monosodium salt;Benzoic acid,4-hydroxy-,monosodium salt;Benzoic acid,p-hydroxy-,sodium salt;Sodium p-hydroxybenzoate;Sodium 4-hydroxybenzoate;p-Hydroxybenzoic acid sodium salt;Monosodium p-hydroxybenzoate;Monosodium 4-hydroxybenzoate;4-Hydroxybenzoic acid sodium salt;p-Hydroxybenzoic acid monosodium salt;Sodium paraben;178120-64-4;1351865-11-6
Categories:
Cosmetic Ingredient > Cosmetic Preservative

Description

Sodium 4-hydroxybenzoate is an organic sodium salt resulting from the replacement of the proton from the carboxy group of 4-hydroxybenzoic acid by a sodium ion. It has a role as an algal metabolite and a plant metabolite. It contains a 4-hydroxybenzoate.

Sodium p-hydroxybenzoate Basic Attributes

Molecular Weight：

160.1

Exact Mass：

160.013641

EC Number：

204-051-1

UNII：

V6102T509B

DSSTox ID：

DTXSID3059426

HScode：

29182900

Characteristics

PSA：

60.4

XLogP3：

-0.24430

Appearance：

White to light beige Crystalline Powder

Density：

1.375g/cm3

Melting Point：

>300 °C(lit.)

Boiling Point：

336.2°C at 760 mmHg

Flash Point：

171.3ºC

Water Solubility：

soluble in water.

Storage Conditions：

Store at RT.

Vapor Pressure：

4.48E-05mmHg at 25°C

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

36/37/38

safety instructions：

26-36

RTECS Number：

DH2900000

Marks：

Precautionary statement(s)：

P261-P305 + P351 + P338

Hazard Statements：

H315-H319-H335

GHS Classification：

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 85 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Sodium p-hydroxybenzoate Use and Manufacturing

Methods of Manufacturing

1 mol of cyclophosphazene and 3 mol of phenol were added to a three-port reactor, and then 100 ml of tetrahydrofuran and 7 mol of anhydrous were added. Sodium carbonate, reacted at 70 C for 8 h; 3 mol of The kinetic measurement of the esterification in solid-liquid system was carried out in a thermo-stated batch reactor equipped with ultrasonic generator for each reaction condition. Definite quantities of BTBAMBC (or other PTCs), RBr and diphenyl methane (internal standard) were dissolved in organic solvent and stirred for 15 min in a batch reactor installed in the ultrasonic bath, and reaction temperature was controlled at the desired value. To start the reaction, a definite amount of ArCOONa was introduced into the reactor and the ultrasonic irradiation was activated. At each chosen time, 0.2 cm3 of the organic phase was sampled and diluted in 4 cm3 of methanol for HPLC analysis using C18 column and UV detector at 254 nm with eluent of acetonitrile/methanol/water at 1.0 cm3/min and 37/37/26 (v/v/v).

Uses

For biochemical analysis.

Manufacturing Info：

Benzoic acid, 4-hydroxy-, sodium salt (1:1): ACTIVE

Use Classification：

Cosmetics -> Preservative

Computed Properties

Molecular Weight:160.10
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:1
Exact Mass:160.01363830
Monoisotopic Mass:160.01363830
Topological Polar Surface Area:60.4
Heavy Atom Count:11
Complexity:130
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes

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Sodium 4-hydroxybenzoate

CAS No.: 114-63-6

Grade: industrial Grade

Content: 98%

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CAS No.: 114-63-6

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Guide of Sodium p-hydroxybenzoate

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
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Sodium p-hydroxybenzoate

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