一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

??? ?????

??? ?????
??? ????? ??? ???
?? ??:
881-68-5
???:
??? ?????
???(??):
????????;???????;??? ????
???:
Vanillin acetate
???(??):
FEMA 3108;vanillyl acetate;3-METHOXY-4-ACETOXYBENZALDEHYDE;4-ACETOXY-3-METHOXYBENZALDEHYDE;4-FORMYL-2-METHOXYPHENYL ACETATE;AKOS 239-07;AKOS B004358;Vanillin ace;Acetovanillin;Vanillin acetat
CBNumber:
CB5142181
???:
C10H10O4
??? ??:
194.18
MOL ??:
881-68-5.mol
MSDS ??:
SDS

??? ????? ??

???
77-79 °C (lit.)
?? ?
288.5±25.0 °C(Predicted)
??
1.193±0.06 g/cm3(Predicted)
FEMA
3108 | VANILLIN ACETATE
?? ??
Refrigerator
???
?????, DCM, ??????? ? ???
??? ??
??? ??
??
????
??
100.00%??. ???? ???? ??? ???? ??????
?? ??
???
???? ??
synthetic
???
Very slightly soluble in water
??
Air Sensitive
JECFA Number
890
BRN
1963795
?? ??
?? ? ?
InChI
1S/C10H10O4/c1-7(12)14-9-4-3-8(6-11)5-10(9)13-2/h3-6H,1-2H3
InChIKey
PZSJOBKRSVRODF-UHFFFAOYSA-N
SMILES
COc1cc(C=O)ccc1OC(C)=O
LogP
1.10
CAS ??????
881-68-5(CAS DataBase Reference)
NIST
Benzaldehyde, 4-(acetyloxy)-3-methoxy-(881-68-5)
EPA
Benzaldehyde, 4-(acetyloxy)-3-methoxy- (881-68-5)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 26-37-24/25
WGK ?? 3
TSCA TSCA listed
?? ?? IRRITANT
HS ?? 29124990
???? ??? 11 - Combustible Solids
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ??
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P304+P340 ???? ??? ??? ?? ??? ??? ???? ?? ??? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P405 ???? ?????.
NFPA 704
1
2 1

??? ????? C??? ??, ??, ??

??? ??

Colorless needle-like or plate-like crystals. M.P. 77° c.  Vanillin acetate has a mild, balsamic, floral odor with a nonvanillin flavor. Poorly soluble in water, soluble in alcohol and oils,

??

Reported found in shoyu (fermented soya hydrolysate).

??

Vanillin Acetate is a synthetic flavoring agent that is moderately stable, white to yellow crystals of vanilla odor. it should be stored in glass or polyethylene-lined containers. it is used in flavors for vanilla note, with application in beverages, ice cream, candy, and baked goods at 11–28 ppm.

??

ChEBI: An acetate ester obtained by the formal condensation of phenolic group of vanillin with acetic acid.

?? ??

By acetylation of vanillin or by oxidation of isoeugenyl acetate with chromic acid in the presence of sulfanilic acid; also by electrolytic reduction of vanillin, followed by acetylation of vanillyl alcohol.

?? ??

Chemoselective reduction of vanillin acetate using sodium borohydride has been reported.

Solubility in organics

Soluble in alcohoi and oils

??? ????? ?? ?? ? ???

???

?? ??


??? ????? ?? ??

???( 331)?? ??
??? ?? ??? ?? ?? ? ??
Hebei Chuanghai Biotechnology Co., Ltd
+86-15350571055
Sibel@chuanghaibio.com China 8738 58
Dideu Industries Group Limited
+86-29-89586680 +86-15129568250
1059@dideu.com China 29093 58
Hebei Chuanghai Biotechnology Co,.LTD
+86-86-13131129325
sales1@chuanghaibio.com China 5220 58
JINING XINHE CHEMICAL CO., LTD
+8615318402391
sales@xinhepharma.com China 809 58
HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
+86-15350851019; +86-15383190639
admin@86-ss.com China 999 58
Hebei Zhuanglai Chemical Trading Co Ltd
+86-16264648883
niki@zlchemi.com China 7245 58
career henan chemical co
+86-0371-86658258
sales@coreychem.com China 29812 58
Changzhou Carman Chemical Co., Ltd.
15061933924
CHINA 514 58
Alchem Pharmtech,Inc.
8485655694
sales@alchempharmtech.com United States 63687 58
CONIER CHEM AND PHARMA LIMITED

sales@conier.com China 49979 58

??? ????? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved
台江县| 博白县| 宿松县| 岳池县| 石渠县| 赫章县| 荣昌县| 垦利县| 故城县| 黔南| 区。| 铅山县| 徐州市| 泽库县| 龙陵县| 云阳县| 河间市| 商丘市| 侯马市| 平果县| 策勒县| 霞浦县| 临泽县| 济阳县| 宜州市| 安达市| 赤水市| 孙吴县| 瑞安市| 诏安县| 陆河县| 汽车| 黄浦区| 东至县| 滨州市| 廉江市| 丰宁| 辉南县| 北安市| 浮山县| 鄂温|