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Merck
CN

435015

甲基羟乙基纤维素

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化学文摘社编号:
UNSPSC Code:
12162002
NACRES:
NA.23
MDL number:
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SMILES string

O3[C@H]([C@@H]([C@H]([C@@H]([C@H]3COC)OC)OC)OC)O[C@@H]4[C@H](O[C@H]([C@@H]([C@H]4OC)OC)OC)COC.O1[C@H]([C@@H]([C@H]([C@@H]([C@H]1CO)O)O)O)O[C@@H]2[C@H](O[C@H]([C@@H]([C@H]2O)O)O)CO.OCCO

InChI key

JTWZVKMWOCBJEV-RXUSYSPUSA-N

extent of labeling

0.06-0.50 mol hydroxyethyl per mol cellulose (M.S.)
8 wt. % hydroxyethyl
26 wt. % methoxy
1.3-2.2 mol methyl per mol cellulose (D.S.)

surface tension

45-55 dyn/cm, 20 °C, 0.1 wt. %

viscosity

15,000-20,500 cP, 2 wt. % in H2O(20 °C, Brookfield, spindle #6) (20 rpm)(lit.)

transition temp

flocculation range 60-90 °C (0.5 wt. %)

Quality Level

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Application

水助留剂、增稠剂、保护胶体、悬浮剂、粘结剂和稳定剂。

存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Rondedrick Sinville et al.
Electrophoresis, 29(23), 4751-4760 (2008-12-05)
We have developed a new method for the analysis of low abundant point mutations in genomic DNA using a combination of an allele-specific ligase detection reaction (LDR) with free-solution conjugate electrophoresis (FSCE) to generate and analyze the genetic products. FSCE
Su Jeong Ban et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 50(5), 1716-1721 (2012-03-06)
The effect of hydroxyethyl methylcellulose (HEMC) with different viscosities on the glucose metabolism and antioxidative defense system in high fat-fed mice was investigated. The mice were randomly divided into five dietary groups: normal control diet (NC), high fat diet (HF)
Roland Adden et al.
Analytical chemistry, 78(4), 1146-1157 (2006-02-16)
Hydroxyethylmethyl celluloses (HEMC, DS(Me) 1.46-1.66, DS(HE) = 0.14-0.17) have been analyzed with respect to their methyl and hydroxyethyl pattern in the glucosyl units and along the polymer chain. Methyl groups were located by GLC/MS after direct hydrolysis, reduction, and acetylation
K M Picker et al.
Pharmaceutical development and technology, 3(1), 31-41 (1998-04-09)
The aim of this research was to investigate the elastic-plastic deformation behavior of the cellulose ethers hydroxypropylmethylcellulose (HPMC), hydroxyethylmethylcellulose (HEMC), and sodium carboxymethylcellulose (NaCMC) at relative humidities (RH) of 38, 57, and 75% and assess how the release of drugs
M G Lee
Journal of clinical and hospital pharmacy, 7(1), 67-70 (1982-03-01)
A method is reported for the analysis of prostaglandin PGE2 in methylhydroxyethylcellulose gel. Stability studies using the method have shown that the degradation of PGE in the gel is a first order process at 4 degrees and 25 degrees C.

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