87-89-8 structure, C6H12O6
myo-inositol
CAS No.: 87-89-8 Formula: C6H12O6 Molecular Weight: 180.15600
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myo-inositol

CAS No.:

87-89-8

Formula:

C6H12O6

Molecular Weight: 180.15600
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Description

Inositol or cyclohexane-1,2,3,4,5,6-hexol is a chemical compound with formula C6H12O6 or (-CHOH-)6, a six-fold alcohol (polyol) of cyclohexane. It exists in nine possible stereoisomers, of which the most prominent form, widely occurring in nature, is cis-1,2,3,5-trans-4,6-cyclohexanehexol, or myo-inositol (former names meso-inositol or i-inositol). Inositol is a sugar alcohol. Its taste has been assayed at half the sweetness of table sugar (sucrose).
myo-Inositol plays an important role as the structural basis for a number of secondary messengers in eukaryotic cells, the various inositol phosphates. In addition, inositol serves as an important component of the structural lipids phosphatidylinositol (PI) and its various phosphates, the phosphatidylinositol phosphate (PIP) lipids.
Inositol or its phosphates and associated lipids are found in many foods, in particular fruit, especially cantaloupe and oranges. In plants, the hexaphosphate of inositol, phytic acid or its salts, the phytates, are found. These serve as phosphate stores in the seed. Phytic acid occurs also in cereals with high bran content and also nuts and beans. Yet, inositol, when present as phytate, is not directly bioavailable to humans in the diet, since it is not digestible. Some food preparation techniques partly break down phytates to change this. Inositol as it occurs in certain plant-derived substances such as lecithins, however, is well-absorbed and relatively bioavailable.
myo-Inositol (free of phosphate) was once considered a member of the vitamin B complex (formerly Vitamin B8); however, because it is produced by the human body from glucose, it is not an essential nutrient. Some substances such as niacin can also be synthesized in the body, but are not made in amounts considered adequate for good health, thus are still classified as essential nutrients. However, no convincing evidence indicates this is the case for myo-inositol.

Numbering system

UNII 4L6452S749

Properties

Appearance & Physical State

white powder

Density

2.039 g/cm3

Boiling Point

291.326ºC at 760 mmHg

Melting Point

220-228ºC

Flash Point

143.387ºC

Stability

Stable. Combustible. Incompatible with strong oxidizing agents.

Storage Condition

Store at RT.

Safety Info

RTECS

NM7520800

Safety Statements

S24/25

HS Code

2906132000

WGK Germany

2
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