Высокочистый 98% Витамин k2 менатетренон mk4

Сохранить в закладки 1601093761714:


Цена:*

Количество:

  • В избранное

Описание и отзывы

Характеристики



Products Description






Product
Vitamin K2  MK-4
Spec
98%
Cas No.
863-61-6
MOQ
100G
Appearance
Yellow powder






Test
Specification
Results
Assay(Dry basis)
≥98.0%
98.05%


Cis-isomer
TLC: the spot corresponding to relative Rf value 1.1 regarding to the principal spot from the sample solution is not more intense
than the spot from the standard solution.


Complies


Solubility
Easily soluble in n-hexane, soluble in ethanol, slightly soluble in methanol,
almost insoluble in water


Complies
Clarity in Hexane
Clear and Yellow
Complies
-Ethanol+Potassium Hydroxide

Blue

Complies
-Ethanol+Sodium Hydrosulfite

Yellow

Complies
-Absorption in Isooctane
325nm~327nm
Complies
-Absorbance Ratio A1/A2
0.32-0.38
0.34
Melting Point
≥35.0℃
37.0℃
Heavy Metals
≤ 20ppm
< 20ppm
Arsenic
< 2ppm
< 2ppm
Menadione
Not appear royal purple
Not appear royal purple
Water
≤ 0.5%
0.46%
Residue On Ignition
≤ 0.10%
0.07%
Ethanol
≤ 0.3%
0.23%
Other Related Substances ratio

0.01%

Complies
Appearance
Yellow crystals powder
Yellow crystals powder
















Customer Feedback






About us








Q1: Do you accept Alibaba Trade Assurance?

Yes, most our products are accepted via Alibaba Trade Assurance.

Q2: Can I have free samples?

Yes, we can supply the free 10-20g sample except high value products, but the shipping cost be paid by you. Generally USD45 for
sample fee.

Q3: How do I pay the sample fee?

Paypal,Western Union,T/T or just provide your courier's account number, we prefer FEDEX.

Q4: How do you treat quality complaint?

If quality problem caused by us after Third Party Test, we will send you free goods for replacement or refund your payment.

Q5:What's your MOQ and lead time?

Generally MOQ is 1kg, some low value products, MOQ is 25kg and lead time is within 4-5 workdays upon your payment.

Q6: Which products you can export?

We are mainly exporting herbal extracts, amino acids, vitamins, cosmetics and APIs.

Q7: Which documents you can provide?

Usually, we provide Commercial Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your
markets have any special requirements, let us know.


Похожие товары

Новые поступления

Новинки товаров от производителей по оптовым ценам