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| CAS No.: | 1398-61-4 |
|---|---|
| Name: | Chitin |
| Molecular Structure: | |
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| Formula: | (C8H13NO5)n |
| Molecular Weight: | 161.16 |
| Synonyms: | BeyondAll Natural Plant Amendment;C 7170;Chitan, N-acetyl-;Chitin Tc-L;ChitoRemSC 20;ChitoRem SC 80;Clandosan;Kimica Chitin F;Kimitsu Chitin;North ChitinCG 2;Regitex FA;SEC 1;a-Chitin;b-Chitin;g-Chitin; |
| EINECS: | 215-744-3 |
| Density: | 1.37 g/cm3 |
| Melting Point: | >300°C (dec.) |
| Boiling Point: | 522.4oC at 760 mmHg |
| Flash Point: | 269.8oC |
| Solubility: | Insoluble in water |
| Appearance: | white powder |
| Hazard Symbols: | Xi,Xn |
| Risk Codes: | 20/21/22-36/37/38 |
| Safety: | 24/25 |
| PSA: | 119.25000 |
| LogP: | -2.68670 |
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| Conditions | Yield |
|---|---|
| With sodium hydroxide In water at 20℃; for 0.0166667h; Industry scale; Heating / reflux; Continuous processing; | 94% |
| Conditions | Yield |
|---|---|
| With sodium hydroxide at 60℃; for 72h; | 92.6% |
| With sodium hydroxide at 121℃; under 775.722 Torr; for 0.0833333h; Product distribution; Further Variations:; Temperatures; NaOH concentration; Deacetylation; | |
| With sodium hydroxide at 110℃; for 4h; |
| Conditions | Yield |
|---|---|
| With lithium chloride In N,N-dimethyl acetamide at 80℃; for 24h; Addition; | 88% |
- 34893-92-0
3,4-dichlorophenyl isocyanate
| Conditions | Yield |
|---|---|
| With lithium chloride In N,N-dimethyl acetamide at 80℃; for 24h; Addition; | 88% |
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3,5-dimethylphenyl isocyanate
| Conditions | Yield |
|---|---|
| With lithium chloride In N,N-dimethyl acetamide at 80℃; for 24h; Addition; | 88% |
- 35061-50-8
N,N’-diacetylchitobiose
| Conditions | Yield |
|---|---|
| Stage #1: chitin With hydrogenchloride In water at 20℃; Stage #2: With recombinant chitinase A from Serratia marcescens; sodium acetate at 37℃; for 240h; pH=5.7; aq. buffer; Enzymatic reaction; | 80% |
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Hexamethylene diisocyanate
| Conditions | Yield |
|---|---|
| With triethylamine In toluene at 20℃; for 24h; Inert atmosphere; | 70% |
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levulinic acid
| Conditions | Yield |
|---|---|
| With [1-(3-sulfonic acid)]propyl-3-methylimidazolium hydrogen sulfate; water at 180℃; for 5h; Reagent/catalyst; Temperature; Autoclave; | 67% |
| With water; C18H32N4O6S2(2+)*2Br(1-) at 180℃; for 3h; Reagent/catalyst; Time; | 58.3% |
| With hydrogenchloride In water at 190℃; for 0.5h; Reagent/catalyst; Microwave irradiation; |
- 14131-68-1
N-acetyl-D-glucosamine
| Conditions | Yield |
|---|---|
| Stage #1: chitin With phosphoric acid at 20℃; for 12h; Stage #2: With Trichoderma viride AGCC-M41 chitinase at 42.5℃; for 48h; pH=4; | 65.4% |
| Stage #1: chitin With sulfuric acid In water at 53.84℃; for 6h; Milling; Stage #2: With sulfuric acid; hydrogen In water at 179.84℃; under 30003 Torr; pH=2; Catalytic behavior; Reagent/catalyst; Autoclave; | 49% |
| With Serratia proteamaculans chitinase D In aq. phosphate buffer at 40℃; for 1h; pH=8; Kinetics; Reagent/catalyst; Enzymatic reaction; |
| Conditions | Yield |
|---|---|
| With hydrogenchloride; water at 60 - 100℃; for 2.5 - 3h; Product distribution / selectivity; | 60% |
| With β-N-acetylhexosaminidase (E.C. 3.2.1.52) from Zobellia galactanivorans; deacetylase from Cyclobacterium marinum DSM 745 In aq. buffer at 37℃; pH=8; |
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Consensus Reports
Reported in EPA TSCA Inventory.
Specification
The Chitin, with the CAS registry number 1398-61-4, is also known as Chitan, N-acetyl-. Its EINECS registry number is 215-744-3. This chemical's molecular formula is (C8H13NO5)n. Its systematic name is called Chitin. When you are using this chemical, please be cautious about it. You must avoid contact with skin and eyes. Chitin is a long-chain polymer of a N-acetylglucosamine
Chitosan is derived from chitin, which is used as a biocontrol elicitor in agriculture and horticulture. Chitin is used in industry in many processes. It is used as an additive to thicken and stabilize foods and pharmaceuticals. It also acts as a binder in dyes, fabrics, and adhesives. Industrial separation membranes and ion-exchange resins can be made from chitin. Processes to size and strengthen paper employ chitin. Chitin's properties as a flexible and strong material make it favorable as surgical thread. Its biodegradibility means it wears away with time as the wound heals. Moreover, chitin has some unusual properties that accelerate healing of wounds in humans.
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LD50 | intravenous | 50mg/kg (50mg/kg) | LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA | Bolletino della Societe Italiana di Biologia Sperimentale. Vol. 44, Pg. 1685, 1968. |