Merck
All Photos(1)

M2250

Sigma-Aldrich

D-(+)-Maltose monohydrate

Type II, ≥95%

Synonym(s):
4-O-α-D-Glucopyranosyl-D-glucose, Maltobiose
Empirical Formula (Hill Notation):
C12H22O11 · H2O
CAS Number:
Molecular Weight:
360.31
Beilstein:
93798
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

biological source

corn

Quality Level

type

Type II

Assay

≥95%

form

powder

optical activity

[α]20/D 129 to 131 °, c = 4% (w/v) in water + trace NH4OH

impurities

≤1.5% Glucose
≤5% Maltotriose

mp

125.13 °C (1013.25 hPa)

SMILES string

O.OC[C@@H](O)[C@@H](O[C@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O)[C@H](O)[C@@H](O)C=O

InChI

1S/C12H22O11.H2O/c13-1-4(16)7(18)11(5(17)2-14)23-12-10(21)9(20)8(19)6(3-15)22-12;/h1,4-12,14-21H,2-3H2;1H2/t4-,5+,6+,7+,8+,9-,10+,11+,12+;/m0./s1

InChI key

HBDJFVFTHLOSDW-DNDLZOGFSA-N

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

1 of 4

This Item
63418M9171M5895
biological source

corn

biological source

-

biological source

potato (tuber)

biological source

potato

assay

≥95%

assay

≥99.0% (HPLC)

assay

≥99%

assay

≥98%

form

powder

form

powder or crystals

form

powder

form

powder

impurities

≤1.5% Glucose, ≤5% Maltotriose

impurities

insoluble matter, passes filter test

impurities

≤0.0005% Phosphorus (P), ≤0.1% Insoluble matter, ≤0.3% glucose, ≤1.0% maltotriose

impurities

≤0.3% glucose, ≤1.0% maltotriose

mp

125.13 °C (1013.25 hPa)

mp

-

mp

125.13 °C (1013.25 hPa)

mp

102-103  °C

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

Biochem/physiol Actions

Maltose is a disaccharide containing two glucose molecules with an α(1→4) glycosidic linkage. Maltose can be derived from starch in food through the action of amylase. Maltose can be found in many food products, including beer, cereals, and pasta.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

(enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service