CAS No.69-79-4,Maltose Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	69-79-4
Name:	Maltose
Article Data:	11

Formula:	C₁₂H₂₂O₁₁
Molecular Weight:	342.3
Synonyms:	Maltose(8CI);4-O-a-D-Glucopyranosyl-D-glucose;Advantose 100;D-(+)-Maltose;D-Maltose;Finetose;Finetose F;Flolys D 5780;MP 21;Malt sugar;Maltose HH;Maltose HHH;Maltose OM;Sunmalt;Sunmalt S;Maltose;
EINECS:	200-716-5
Density:	1.76 g/cm³
Melting Point:	110 °C
Boiling Point:	667.9 °C at 760 mmHg
Flash Point:	357.8 °C
Solubility:	310.3g/L(20 oC)
Appearance:	colourless crystals or white powder
PSA:	189.53000
LogP:	-5.39720

Synthetic route

starch: starch

A: 1109-28-0, 6118-87-2, 6587-31-1, 7059-07-6, 28072-82-4, 28072-83-5, 28152-46-7, 28173-52-6, 33404-34-1, 50692-76-7, 50692-77-8, 51589-72-1, 59905-64-5, 61687-86-3, 66580-68-5, 70470-12-1, 70832-28-9, 70832-29-0, 70832-30-3, 72203-52-2, 90025-36-8, 135910-91-7, 143444-32-0, 146862-59-1, 151061-91-5, 151061-92-6
D-maltotriose

B: 50-99-7
D-glucose

C: 69-79-4
D-maltose

Conditions

Conditions	Yield
With Pullulanase-amylase complex enzyme; Tris buffer; calcium chloride In water at 50℃; for 24h;	A 50.0 % Chromat. B 5.1 % Chromat. C 43.2 % Chromat.
With Pullulanase-amylase complex enzyme; tris buffer (pH 7.0) CaCl2 In water at 50℃; for 24h;	A 53.9 % Chromat. B 4.6 % Chromat. C 36.2 % Chromat.
With Pullulanase-amylase complex enzyme; Tris buffer; calcium chloride In water at 50℃; for 24h;	A 50.0 % Chromat. B 5.1 % Chromat. C 43.2 % Chromat.

...Expand

: 490-40-4, 3005-45-6, 3425-21-6, 7244-19-1, 34218-17-2, 117466-16-7
panose

A: 50-99-7
D-glucose

B: 69-79-4
D-maltose

Conditions

Conditions	Yield
With Aspergillus niger amyloglucosidase at 40℃; for 3h; pH=6.5; aq. buffer; Enzymatic reaction;

: α-D-glucopyranosyl-(1->6)-α-D-glucopyranosyl-(1->6)-α-D-glucopyranosyl-(1->4)-D-glucopyranose

A: 499-40-1
isomaltose

B: 69-79-4
D-maltose

Conditions

Conditions	Yield
With Penicillium sp. dextranase at 40℃; for 0.5h; pH=6.5; aq. buffer; Enzymatic reaction;

: α-D-glucopyranosyl-(1->6)-α-D-glucopyranosyl-(1->6)-α-D-glucopyranosyl-(1->4)-D-glucopyranose

: 69-79-4
D-maltose

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: Aspergillus niger amyloglucosidase / 3 h / 40 °C / pH 6.5 / aq. buffer; Enzymatic reaction 2: Aspergillus niger amyloglucosidase / 3 h / 40 °C / pH 6.5 / aq. buffer; Enzymatic reaction View Scheme

: 57-50-1
Sucrose

A: 50-99-7
D-glucose

B glucan, content of α-(1->4) linkage: 1.5%: glucan, content of α-(1->4) linkage: 1.5%

C: 7158-70-5
leucrose

D: 499-40-1
isomaltose

E: 69-79-4
D-maltose

Conditions

Conditions	Yield
With Leuconostoc mesenteroides B-1299CB4 dextransucrase DSRBCB4, triple mutant S642N/E643N/V644S; calcium chloride at 28℃; pH=5.2; aq. acetate buffer; Enzymatic reaction;

...Expand

: 57-50-1
Sucrose

A: 50-99-7
D-glucose

B glucan, content of α-(1->4) linkage: 10.9%: glucan, content of α-(1->4) linkage: 10.9%

C: 7158-70-5
leucrose

D: 499-40-1
isomaltose

E: 69-79-4
D-maltose

Conditions

Conditions	Yield
With Leuconostoc mesenteroides B-1299CB4 dextransucrase DSRBCB4 mutant V532P/V535I/S642N/E643N/V644S; calcium chloride at 28℃; pH=5.2; aq. acetate buffer; Enzymatic reaction;

...Expand

: 7585-39-9
β‐cyclodextrin

A: 1109-28-0, 6118-87-2, 6587-31-1, 7059-07-6, 28072-82-4, 28072-83-5, 28152-46-7, 28173-52-6, 33404-34-1, 50692-76-7, 50692-77-8, 51589-72-1, 59905-64-5, 61687-86-3, 66580-68-5, 70470-12-1, 70832-28-9, 70832-29-0, 70832-30-3, 72203-52-2, 90025-36-8, 135910-91-7, 143444-32-0, 146862-59-1, 151061-91-5, 151061-92-6
D-maltotriose

B: 50-99-7
D-glucose

C: 34612-38-9
Maltotetraose

D: 34620-76-3
malto-pentaose

E: 34620-77-4
malto-hexaose

F: 69-79-4
D-maltose

Conditions

Conditions	Yield
Stage #1: β‐cyclodextrin With Thermoanaerobacter sp. cyclodextrin glucosyl transferase In aq. phosphate buffer at 50℃; for 24h; pH=6; Enzymatic reaction; Stage #2: Enzymatic reaction;

...Expand

: 2280-44-6
D-Glucose

A: 57-48-7
D-Fructose

B: 3458-28-4
D-Mannose

C: 50-70-4
D-sorbitol

D: 527-07-1
sodium D-gluconate

E: D-glucaric acid disodium salt

F: 69-79-4
D-maltose

Conditions

Conditions	Yield
With dihydrogen peroxide; sodium hydroxide In water at 50 - 60℃; Sealed tube;

...Expand

: 57-50-1
Sucrose

A: 492-61-5
β-D-glucose

B: 69-79-4
D-maltose

C: 534-46-3, 2140-29-6, 7286-57-9, 7368-73-2, 28447-37-2, 30633-98-8, 33530-07-3, 40871-49-6, 42859-28-9, 50728-37-5, 50728-38-6, 52611-35-5, 53777-23-4, 72244-38-3, 78684-25-0, 82443-88-7, 82443-89-8, 93601-68-4, 96094-90-5, 101144-30-3, 132438-08-5
2-O-α-D-glucopyranosyl-D-glucose

Conditions

Conditions	Yield
With wild-type recombinant sucrose phosphorylase from Bifidobacterium adolescentis In aq. buffer Enzymatic reaction;

...Expand

: 108-24-7
acetic anhydride

: 69-79-4
D-maltose

: 3616-19-1, 5328-50-7, 5346-90-7, 6291-42-5, 6920-00-9, 20764-63-0, 20880-65-3, 22352-19-8, 23973-20-8, 32447-69-1, 34213-32-6, 52554-32-2, 53956-64-2, 56907-29-0, 56994-12-8, 56994-13-9, 57128-38-8, 67650-36-6, 68036-17-9, 68036-19-1, 78215-50-6, 78215-51-7, 79549-48-7, 80446-82-8, 85249-04-3, 93221-83-1, 93779-27-2, 111407-83-1, 111407-84-2, 111407-85-3, 120328-65-6, 123809-59-6, 132341-46-9, 132341-47-0, 132341-49-2, 145307-94-4, 20880-60-8
1,2,3,6,2',3',4',6'-octa-O-acetylmaltose

Conditions

Conditions	Yield
With sodium acetate at 80℃; for 4h; Inert atmosphere;	98%
With sodium acetate Microwave irradiation;

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Consensus Reports

Reported in EPA TSCA Inventory.

Specification

The Maltose, with the CAS registry number 69-79-4, is also known as Sunmalt. It belongs to the product categories of Disaccharide Molecular Biology; Biochemicals and Reagents; BioUltra Biochemicals and Reagents; BioUltraMolecular Biology; Carbohydrates; DNA & RNA Purification; Molecular Biology Reagents; Reagents. Its EINECS number is 200-716-5. This chemical's molecular formula is C₁₂H₂₂O₁₁and molecular weight is 342.30. What's more, its systematic name is 4-O-α-D-Glucopyranosyl-β-D-glucopyranose. Its classification codes are: (1)Drug / Therapeutic Agent; (2)Flavoring Agents; (3)Food Additives; (4)Human Data; (5)Natural Product; (6)Reproductive Effect; (7)Sweetening Agents; (8)Tumor data. This chemical is the second member of an important biochemical series of glucose chains. Maltose is the disaccharide produced when amylase breaks down starch. It is found in germinating seeds such as barley as they break down their starch stores to use for food. It is also produced when glucose is caramelized. This substance has the ability to reduce the Fehling’s solution, due to its free aldehyde.

Physical properties of Maltose are: (1)ACD/LogP: 2.838; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.78; (4)ACD/LogD (pH 7.4): 1.65; (5)ACD/BCF (pH 5.5): 74.05; (6)ACD/BCF (pH 7.4): 5.45; (7)ACD/KOC (pH 5.5): 730.25; (8)ACD/KOC (pH 7.4): 53.76; (9)#H bond acceptors: 6; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 5; (12)Polar Surface Area: 96.22 Å²; (13)Index of Refraction: 1.697; (14)Molar Refractivity: 76.53 cm³; (15)Molar Volume: 198.565 cm³; (16)Polarizability: 30.339×10^-24cm³; (17)Surface Tension: 72.8 dyne/cm; (18)Density: 1.512 g/cm³; (19)Flash Point: 230.135 °C; (20)Enthalpy of Vaporization: 92.805 kJ/mol; (21)Boiling Point: 601.506 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
This chemical is harmful if swallowed. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it,
you need wear suitable protective clothing.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C\1c3c(O)c(OC)c(O)cc3O/C=C/1c2ccc(O)cc2
(2)Std. InChI: InChI=1S/C16H12O6/c1-21-16-11(18)6-12-13(15(16)20)14(19)10(7-22-12)8-2-4-9(17)5-3-8/h2-7,17-18,20H,1H3
(3)Std. InChIKey: OBBCRPUNCUPUOS-UHFFFAOYSA-N

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	29100mg/kg (29100mg/kg)		Drugs in Japan Vol. -, Pg. 1139, 1990.
mouse	LD50	intravenous	26800mg/kg (26800mg/kg)	LUNGS, THORAX, OR RESPIRATION: DYSPNEA BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE	Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 7, Pg. 53, 1979.
mouse	LD50	oral	> 44gm/kg (44000mg/kg)		Drugs in Japan Vol. -, Pg. 1139, 1990.
mouse	LD50	subcutaneous	38600mg/kg (38600mg/kg)	BEHAVIORAL: TREMOR BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD	Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 7, Pg. 53, 1979.
rabbit	LD50	intravenous	25200mg/kg (25200mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION	Oyo Yakuri. Pharmacometrics. Vol. 6, Pg. 541, 1972.
rat	LD	subcutaneous	> 26700mg/kg (26700mg/kg)	BEHAVIORAL: EXCITEMENT	Oyo Yakuri. Pharmacometrics. Vol. 6, Pg. 251, 1972.
rat	LD50	intraperitoneal	30600mg/kg (30600mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) LUNGS, THORAX, OR RESPIRATION: DYSPNEA	Oyo Yakuri. Pharmacometrics. Vol. 6, Pg. 251, 1972.
rat	LD50	intravenous	15300mg/kg (15300mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) LUNGS, THORAX, OR RESPIRATION: DYSPNEA	Oyo Yakuri. Pharmacometrics. Vol. 6, Pg. 251, 1972.
rat	LD50	oral	34800mg/kg (34800mg/kg)	GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION	Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 7, Pg. 53, 1979.
women	TDLo	oral	100mg/kg/2D-I (100mg/kg)		Annals of Internal Medicine. Vol. 118, Pg. 526, 1993.
women	TDLo	oral	100mg/kg/2D-I (100mg/kg)	BLOOD: "CHANGES IN SERUM COMPOSITION (E.G., TP, BILIRUBIN, CHOLESTEROL)"	Annals of Internal Medicine. Vol. 118, Pg. 526, 1993.

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