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4-Aminobenzoic acid

CAS No. 150-13-0
Chemical Name: 4-Aminobenzoic acid
Synonyms: PABA;potaba;rvpaba;Pabacyd;Pabagel;Pabanol;p-amino;Romavit;Actipol;Pabafilm
CBNumber: CB4212038
Molecular Formula: C7H7NO2
Formula Weight: 137.14
MOL File: 150-13-0.mol
4-Aminobenzoic acid Property
Melting point : 187-189 °C(lit.)
density : 1.374 g/mL at 25 °C(lit.)
Fp : 250 °C
storage temp. : 2-8°C
solubility : 95% ethanol: soluble5%, clear to slightly hazy, colorless to yellow
PH: 3.5 (5g/l, H2O, 20℃)
Water Solubility : 4.7 g/L (20 ºC)
Sensitive : Air & Light Sensitive
Merck : 14,423
BRN : 471605
Stability:: Stable. Incompatible with strong oxidizing agents. Combustible. Sensitive to light and air. May discolour on exposure to light.
CAS DataBase Reference: 150-13-0(CAS DataBase Reference)
NIST Chemistry Reference: p-Aminobenzoic acid(150-13-0)
EPA Substance Registry System: Benzoic acid, 4-amino-(150-13-0)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes : Xn,Xi
Risk Statements : 22-36/37/38-43
Safety Statements : 26-36-37/39
WGK Germany : 3
RTECS : DG1400000
TSCA : Yes
HS Code : 29224995
Hazardous Substances Data: 150-13-0(Hazardous Substances Data)
Symbol(GHS):
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H413 May cause long lasting harmful effects to aquatic life Hazardous to the aquatic environment, long-term hazard Category 4
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P272 Contaminated work clothing should not be allowed out of the workplace.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.
P501 Dispose of contents/container to..…

4-Aminobenzoic acid Chemical Properties,Usage,Production

Chemical Properties
White to off white crystalline powder
Uses
Widely distributed in nature as a B complex factor. Baker’s yeast contains 5 to 6 ppm, brewer’s yeast from 10 to 100 ppm. Occurs free and in ester form.
Uses
gastric acid secretion inhibitor
Definition
ChEBI: An aminobenzoic acid in which the amino group is para to the carboxy group.
General Description
Colorless crystals that discolor on exposure to light and air.
Reactivity Profile
4-Aminobenzoic acid is incompatible with ferric salts and oxidizing agents.
4-Aminobenzoic acid Preparation Products And Raw materials
Raw materials
Sodium dithionite p-Nitrobenzoic acid
Preparation Products
Benzocaine 6-Quinolinylmethanol 2-Methyl-6-quinolinecarboxylic acid Ampicillin Methyl Orange 4-(1H-PYRROL-1-YL)BENZOIC ACID 6-Quinolinecarboxylic acid Reactive Red Brown K-B3r Methyl 4-aminobenzoate N-Formyl-4-(methylamino)benzoic acid 4-ACETAMIDOBENZOYL CHLORIDE 4-Iodobenzoic acid METHYL 4-METHYLAMINOBENZOATE 2,5-BIS(4-AMINOPHENYL)-1,3,4-OXADIAZOLE N10-(TRIFLUOROACETYL)PTEROIC ACID 4-(METHANESULFONYLAMINO)BENZOIC ACID 4-(N-Formyl-N-methyl)aminobenzoyl chloride 4-CARBOXYPHENYL ISOTHIOCYANATE 4-(Aminomethyl)benzoic acid 4-Cyanobenzoic acid C.I.Reactive Red 11 Butyl 4-aminobenzoate p-Acetylamino benzoic acid 4-(ETHYLTHIO)BENZOIC ACID 2,6-Dichloroaniline Disperse Yellow 126
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