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High Quality Skin whitening organic acide kojic CAS 501-30-4
1-24 Kilogram
$65.00
≥ 25 Kilogram
$40.00
- Item No. topMOQ 1 Kilogram
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If over 500pcs, mass production will start until pre-production sample has been approved.
Est. 7 days production
Model Name | kojic acid powder |
Formula | C6H6O4 |
CAS NO. | 501-30-4 |
Appearance | White or off-white crystals |
Text method | HPLC |
Loss on Drying | < 5.0% |
Particle Size | 100% through 80 Mesh |
The molecular weight | 142.11 |
Function | Restrain skin melanin formation |
Application | Used in cosmetics, |
Stock | in stock |
Item | Standard (BP2005/USP31/EP5) | Test Result |
Characteristics | White crystals or crystalline powder | Meet the Requirement |
Identification | Positive Reaction | Meet the Requirement |
Melting Point | 190-192 °C | 191.3 °C |
PH | 2.2~2.6 | 2.49 |
Clarity of Solution | Clear | Meet the Requirement |
Color of Solution | ≤BY7 | < BY7 |
Specific Optical Rotation | +20.5~+21.5° | +21.17° |
Copper | ≤ 5 ppm | <5 ppm |
Heavy metals | ≤ 10 ppm | <10 ppm |
Iron | ≤ 2 ppm | <2 ppm |
Oxalic Acid | ≤ 0.2 % | <0.2 % |
Sulphated Ash | ≤ 0.1 % | <0.1 % |
Residue on Ignition | ≤0.1 % | <0.1% |
Organic Volatile Impurities | Pass USP Test | Meet the Requirement |
Assay | 99.0~100.0% | 99.95% |
Loss on drying | ≤ 0.4 % | <0.4 % |
Lead | ≤2ppm | <2ppm |
Mercury | ≤0.1mg/kg | <0.1mg/kg |
Mesh | 40~80mesh | Pass |
Arsenic | ≤3ppm | <3ppm |
1. Kojic acid can inhibit tyrosinase synthesis, so it can largely inhibit the skin melanin formation;
2. Kojic acid is able to eliminate the free radicals in the human body, strengthen the activity of the leucocyte;
3. Kojic acid have ideal effect in easing pain, relieving inflammation and curing many diseases;
Qingdao Sigma chemical Co., Ltd is 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 Qingdao Sigma chemical Co., Ltd 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.
Answer: Yes, we are factory founded on 2002.
Q2: How to contact with us?
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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.
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