CAS No.9005-25-8,Starch Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	9005-25-8
Name:	Starch
Article Data:	13
Cas Database

Formula:	Unspecified
Synonyms:	Microporous Polysaccharide Hemospheres.(TM).;4-(undecyloxy)-benzenamine;waxy cornstarch;Gohsenol EG-05T;Benzenamine,4-(undecyloxy);cornstarch 78-1551;4-n-Undecyloxyaniline;p-undecylaniline;PureGel B990 ex. Grain Processing;4-Undecyl-anilin;4-undecylaniline;
EINECS:	232-679-6
Density:	1.5
Melting Point:	256-258oC
Boiling Point:	1.5 g/mL at 25oC(lit.)
Flash Point:	357.8oC
Appearance:	White to Creamish white powder
Hazard Symbols:	R20/21/22:;
Risk Codes:	Xi
Safety:	26-24/25
PSA:	0.00000
LogP:	0.00000

Synthetic route

potato starch: potato starch

starch: starch

Conditions

Conditions	Yield
Stage #1: potato starch With sodium hydroxide; water In isopropyl alcohol at 20℃; for 0.5h; Stage #2: With acetic acid In isopropyl alcohol

: 3926-62-3
sodium monochloroacetic acid

starch: starch

Conditions

Conditions	Yield
Stage #1: starch With sodium hydroxide; water In isopropyl alcohol at 20℃; for 0.5h; Stage #2: sodium monochloroacetic acid In isopropyl alcohol at 50℃; for 5h; Stage #3: With acetic acid In isopropyl alcohol

: N-(3-chloro-2-hydroxypropyl)trimethylammonium chloride

starch: starch

Conditions

Conditions	Yield
Stage #1: starch With sodium hydroxide; water In isopropyl alcohol at 20℃; for 0.5h; Stage #2: N-(3-chloro-2-hydroxypropyl)trimethylammonium chloride With sodium hydroxide; water In isopropyl alcohol at 50℃; for 1h; Stage #3: With acetic acid In isopropyl alcohol

starch: starch

: 492-61-5
β-D-glucose

Conditions

Conditions	Yield
With C19H42N(1+)*H5P2W18O62(1-) In water at 120℃; for 5h; Reagent/catalyst; Autoclave;	94.2%

: 16629-19-9
thiophene-2-sulfonyl chloride

: 309735-44-2
3-phenylaminomethyl-piperidine-1-carboxylic acid tert-butyl ester

: 144-55-8
sodium hydrogencarbonate

starch: starch

: 3-[(2-thiophenesulfonyl-phenyl-amino)-methyl]-piperidine-1-carboxylic acid tert-butyl ester

Conditions

Conditions	Yield
With i-Pr2NEt In hexane; dichloromethane; ethyl acetate	85%

...Expand

starch: starch

: 67-47-0
5-hydroxymethyl-2-furfuraldehyde

Conditions

Conditions	Yield
With sodium chloride In tetrahydrofuran; 1-methyl-pyrrolidin-2-one; water at 180℃; under 15001.5 Torr; for 1.75h; Inert atmosphere;	84.6%
With lithium chloride In water; dimethyl sulfoxide at 120℃; for 1h;	52%
With tin (IV) chloride pentahydrate; 1-ethyl-3-methylimidazolium tetrafluoroborate at 100℃; Ionic liquid;	47%

starch: starch

A: 849585-22-4
LACTIC ACID

B: 56-82-6
Glyceraldehyde

Conditions

Conditions	Yield
With aluminum (III) chloride; tin(ll) chloride In water at 189.84℃; under 22502.3 Torr; for 2h; Catalytic behavior; Inert atmosphere; Autoclave;	A 81% B 5.2%

starch: starch

: 50-99-7
D-glucose

Conditions

Conditions	Yield
With H3N2H(1+)TeW6O21(2-); water at 130℃; for 4h; Autoclave;	78.4%
With Arthrobacter sp. DL001 α-D-glucoside glucohydrolase; water at 30℃; for 0.5h; pH=5.5; citrate-phosphate buffer; Enzymatic reaction;

starch: starch

: 849585-22-4
LACTIC ACID

Conditions

Conditions	Yield
With erbium(III) chloride In water at 240℃; under 15001.5 Torr; for 0.5h; Inert atmosphere; Autoclave;	73.7%
With sodium hydroxide In water at 300℃; for 0.0166667h;

: 18704-37-5
quinoline-8-sulfonyl chloride

: 309735-44-2
3-phenylaminomethyl-piperidine-1-carboxylic acid tert-butyl ester

: 144-55-8
sodium hydrogencarbonate

starch: starch

: 3-[(8-Quinolinesulfonyl-phenyl-amino)-methyl]-piperidine-1-carboxylic acid tert-butyl ester

Conditions

Conditions	Yield
In hexane; dichloromethane; ethyl acetate	68%

...Expand

Raw Materials

3926-62-3

Downstream Products

67-47-0

57-55-6

1142-19-4

107-21-1

10016-20-3

108-95-2

56-81-5

620-02-0

Total:237 Page 1 of 7 1 2 3 4 5 6 …7 Next>>

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Consensus Reports

Reported in EPA TSCA Inventory.

Standards and Recommendations

OSHA PEL: Total Dust: 15 mg/m³; Respirable Fraction: 5 mg/m³
ACGIH TLV: TWA (nuisance particulate) 10 mg/m³ of total dust (when toxic impurities are not present, e.g., quartz <1%); Not Classifiable as a Human Carcinogen
NIOSH REL: (Starch, Respirable Fraction) 5 mg/m³; (total dust) 10 mg/m³

Specification

Starch (CAS NO.9005-25-8) is combustible. Presents a dust explosion hazard if dispersed as a fine dust in air in sufficient concentrations. Pure starch is a white, tasteless and odourless powder that is insoluble in cold water or alcohol. It consists of two types of molecules: the linear and helical amylose and the branched amylopectin. Granules swell greatly in water and produce a colloidal suspension. Incompatible with oxidizing agents, acids, iodine, bases. Reacts with nitric acid/sulfuric acid mixtures to give nitroStarch, an explosive. This polysaccharide is produced by all green plants as an energy store.

Physical properties about Starch are: (1)ACD/LogP: -3.391; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): -3.39; (4)ACD/LogD (pH 7.4): -3.39; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 11; (10)#H bond donors: 8; (11)#Freely Rotating Bonds: 12; (12)Index of Refraction: 1.652; (13)Molar Refractivity: 70.805 cm³; (14)Molar Volume: 193.644 cm³; (15)Polarizability: 28.069 10-24cm³; (16)Surface Tension: 110.889999389648 dyne/cm; (17)Density: 1.768 g/cm³; (18)Flash Point: 357.752 °C ; (19)Enthalpy of Vaporization: 112.363 kJ/mol; (20)Boiling Point: 667.931 °C at 760 mmHg;

Uses of Starch: Starch is the most common carbohydrate in the human diet and is contained in many staple foods. Widely used prepared foods containing starch are bread, pancakes, cereals, noodles, pasta, porridge and tortilla. In addition, In a typical sheet of copy paper for instance, the starch content may be as high as 8%. Both chemically modified and unmodified starches are used in papermaking.

You can still convert the following datas into molecular structure:
(1)SMILES:O([C@H]1[C@H](O)[C@@H](O)[C@@H](O)O[C@@H]1CO)[C@H]2O[C@@H]([C@@H](O)[C@H](O)[C@H]2O)CO; (2)Std. InChI:InChI=1S/C12H22O11/c13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17/h3-20H,1-2H2/t3-,4-,5-,6+,7-,8-,9-,10-,11+,12-/m1/s1;
(3)Std. InChIKey:GUBGYTABKSRVRQ-ASMJPISFSA-N;

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	6600mg/kg (6600mg/kg)		Pharmaceutical Chemistry Journal Vol. 15, Pg. 139, 1981.