N-Acetylneuraminic acid Basic information
Product Name:	N-Acetylneuraminic acid
CAS:	131-48-6
MF:	C11H19NO9
MW:	309.27
EINECS:	205-023-1
Mol File:	131-48-6.mol
N-Acetylneuraminic acid Chemical Properties
Melting point
alpha	-32 º (c=2,water)
Boiling point	449.56°C (rough estimate)
density	1.3580 (rough estimate)
refractive index	-32 ° (C=1, H2O)
storage temp.	-20°C
solubility	50 g/L (20°C)
form	synthetic, crystalline
pka	2.41±0.54(Predicted)
Water Solubility	50 g/L (20 ºC)
Sensitive	Air Sensitive
Merck	148,484
BRN	1716283
Stability:	Stable. Incompatible with strong oxidizing agents.
InChIKey	SQVRNKJHWKZAKO-PFQGKNLYSA-N
CAS DataBase Reference	131-48-6(CAS DataBase Reference)
EPA Substance Registry System	Neuraminic acid, N-acetyl- (131-48-6)

   

Items	Specification	Result
Appearance	White or off-white powder	White powder
Water solubility	Soluble in water	Conform
Identification	IR	Conform
Loss on drying	≤0.5%	0.20%
Residue on ignition	≤0.5%	0.10%
Specific rotation	-8°-11°	Conform
Enantiomeric purity	D-tert-leucine≤0.5%	0.06%
Assay (Sialic Acid)	98.0%-102.0%	99.70%

Packaging:  According to customer requirements

Q1  Can i get some samples
A1  Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2  How to start orders or make payments
A2  Proforma invoice will be sent first after confirmation of order, enclosed our bank information.                Payment by T/T, Western Union or Paypal or Escrow(Alibaba).
Q3  How to confirm the Product Quality before placing orders
A3  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.
Q4  What's your MOQ
A4  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q5  How about delivery leadtime
A5  Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q6  Is there a discount
A6  Different quantity has different discount.
Q7  How do you treat quality complaint
A7  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.
Q8  How to contact us
A9  You can chat with us by Trademanager,MSN&Skype Online.
       You can choose your interested products and send inquiry to us.
       You can dial our telephone directly or send Email to us., you will get our reply.