Natamycin CAS#7681-93-8
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Chemical Name:Natamycin
CAS No.:7681-93-8
Molecular Formula:C33H47NO13
Molecular weight:665.73
Sample: Available
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Products Description of Natamycin CAS#7681-93-8
Natamycin, also known as pimaricin and natamycin, was first isolated from Streptomyces natalensis in 1955. Its activity is far superior to sorbic acid. In June 1982, the US FDA officially approved natamycin for use as a food preservative and classified it as a GRAS product. Natamycin is a highly effective inhibitor of molds, yeasts and fungi. It is used to inhibit molds, yeasts and fungi in food. It is very safe and reliable for the human body and does not affect the flavor of the product. It is widely used in cheese, meat products, cakes, juice and other foods around the world. The product is refined from Streptomyces natalensis through deep fermentation and multi-step extraction processes. Its preparation is a mixture of 50% natamycin and 50% lactose.
Natamycin Chemical Properties
Melting point | 2000C (dec) |
D20 +278° (c = 1 in CH3COOH) | |
Boiling point | 952℃ |
density | 1.0 g/mL at 20 °C(lit.) |
refractive index | 1.5960 (estimate) |
Fp | >110°(230°F) |
storage temp. | Keep in dark place,Inert atmosphere,2-8°C |
solubility | Soluble in DMSO |
form | aqueous suspension |
pka | pKa 4.6(50% aq. MeOEtOH) (Uncertain);8.35 (Uncertain) |
color | Cream colored |
Water Solubility | 0.41g/L(21 ºC) |
Sensitive | Light Sensitive |
Merck | 13,6453 |
BRN | 1614878 |
Stability: | Light sensitive |
InChIKey | NCXMLFZGDNKEPB-FFPOYIOWSA-N |
LogP | 0.880 (est) |
EPA Substance Registry System | 6,11,28-Trioxatricyclo[22.3.1.05,7]octacosa-8,14,16,18,20-pentaene-25-carboxylic acid, 22-[(3-amino-3,6-dideoxy-.beta.-D-mannopyranosyl)oxy]-1,3,26-trihydroxy-12-methyl-10-oxo-, (1R,3S,5R,7R,8E,12R,14E,16E,18E,20E,22R,24S,25R,26S)- (7681-93-8) |
Safety Information
Hazard Codes | Xn |
Risk Statements | 22 |
Safety Statements | 24/25-36 |
WGK Germany | 2 |
RTECS | TK3325000 |
F | 8-10 |
HS Code | 29419090 |
Toxicity | LD50 orally in male, female rats (g/kg): 2.73, 4.67 (Levinskas) |
Product Application of Natamycin CAS#7681-93-8
Anti-mold agent. When used on food surfaces where molds are easily multiplied and exposed to the air, it has a good anti-mold effect. When used in fermented cheese, it can selectively inhibit the growth of molds and allow bacteria to grow and metabolize normally. This product should be stored in a well-sealed place, without direct sunlight, and at a temperature of <15°C.
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