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4-Amino-2-methylbenzoic acid

4-Amino-2-methylbenzoic acid structure

CAS No:
2486-75-1
Formula:
C8H9NO2
Chemical Name:
4-Amino-2-methylbenzoic acid
Synonyms:
Benzoic acid,4-amino-2-methyl-;o-Toluic acid,4-amino-;4-Amino-2-methylbenzoic acid;2-Methyl-4-aminobenzoic acid;2-Methyl-p-aminobenzoic acid;NSC 49299
Categories:
Biochemical Engineering > Amino Acids and Derivatives

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Description

White powder

4-Amino-2-methylbenzoic acid Basic Attributes

Molecular Weight：

151.16

Exact Mass：

151.16

NSC Number：

49299

DSSTox ID：

DTXSID80287155

HScode：

2922499990

Characteristics

PSA：

63.3

XLogP3：

1.1

Appearance：

Solid

Density：

1.3±0.1 g/cm3

Melting Point：

158-164 °C (decomp)

Boiling Point：

377.2°C at 760 mmHg

Flash Point：

159.1±24.6 °C

Refractive Index：

1.618

Vapor Pressure：

3.56E-05mmHg at 25°C

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

safety instructions：

Marks：

Precautionary statement(s)：

P305 + P351 + P338

Hazard Statements：

H302-H319

GHS Classification：

|Warning|H302 (96.21%): Harmful if swallowed [Warning Acute toxicity, oral]|P264, P270, P280, P301+P312, P305+P351+P338, P330, P337+P313, and P501|Aggregated GHS information provided by 132 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

4-Amino-2-methylbenzoic acid Use and Manufacturing

General procedure: Before each run, the system (see Fig.4) was allowed to equilibrate by pumping solvent through for 30min with the Tube-in-Tube device at 16bar of hydrogen. An omnifit cartridge (20.0mm OD, 15.0mm ID) containing 1g of Pd-C catalyst was used. To avoid an overpressure of the system in the event of blockage, the upper pressure cut-off limit on the Knauer pump was set to 25bar. With the injection loop disconnected from the flow line, the loop was opened and filled manually (using a syringe) with 3.6mL of a 0.076M solution of starting material in ethanol (excess starting material solution exiting the loop was recovered for reuse). The injection loop was then closed off and switched into the flow stream. The outlet from the system (downstream of the back-pressure regulator) was collected for 120min. The solvent was removed under reduced pressure (using a rotary evaporator followed by a 2-stage rotary vane pump) to afford the product.

Computed Properties

Molecular Weight:151.16
XLogP3:1.1
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:1
Exact Mass:151.063328530
Monoisotopic Mass:151.063328530
Topological Polar Surface Area:63.3
Heavy Atom Count:11
Complexity:158
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Recommended Suppliers of 4-Amino-2-methylbenzoic acid

HANGZHOU LEAP CHEM CO., LTD. Contact Supplier

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4-Amino-2-methylbenzoic acid

CAS No.: 2486-75-1

Content: 99.00%

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Guide of 4-Amino-2-methylbenzoic acid

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
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4-Amino-2-methylbenzoic acid

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