Product Description
Product name:4-Aminobenzoic acid
CAS No.:150-13-0
Melting Point:186-189ºC
Boiling Point:339.9ºC at 760 mmHg
Water Solubility: 4.7 g/L (20 ºC)
Density:1.374
Storage Temp:2-8ºC
Flash Point:159.4ºC
Stability:Stable. Incompatible with strong oxidizing agents. Combustible. Sensitive to light and air. May discolour on exposure to light.
Appearance:White to off white crystalline powder
Vapor Pressure:3.45E-05mmHg at 25°C
Refractive Index:1.5795
Items | Standard |
Appearance | White or off-white crystalline powder |
Identification | (1)IR should comply with the reference standard spectrum. (2)UV should comply with the reference standard spectrum. |
Melting Point | 186~189° C |
Volatile diazoizable substances | Not more than 0.002% |
Loss on drying | Not more than 0.2% |
Residue on ignition | Not more than 01% |
Heavy metals | Not more than 0.002% |
Assay | 98.5~101.5% |
Ordinary impurities | ≤1% |
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.
Company Information
Qingdao Xigema Chemical Co., Ltd is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Xigema is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
Xigema has become the "Top 500 Chinese manufacturing companies","Top 20 of global chemical sales".Xigema has 21 subsidiaries and holding companies.
FAQ
Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2002.
Q2: How to contact with us?
Click the Alibaba "Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.
Q3:Which kind of payment terms do you accept?
For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T to our company account
Q4:Can you give me a discount price?
Surely,It depend on your qty
Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
Q6: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q7:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.