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| CAS No.: | 9005-32-7 |
|---|---|
| Name: | Alginic acid |
| Article Data: | 2 |
| Molecular Structure: | |
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| Formula: | Unspecified |
| Synonyms: | Seaweed Extract Fertilizer;Alginate 8;Alginate LV;Cecalgum S 500;Duckacid X2787;Grindsted PH 060;Inagel GS 30;Kelacid;Kimica Acid;Kimica AcidG;Laminal;Lamitex LV;Landalgine;Medialg MG 5;Medisorb A;Norgine;ProtacidF 120;Protanal LF;Protanal LF 200M;Protanal Rf 5650;Protanal Sf 120RB;Satialgin S 1100;Satialgine;SatialgineGCF 645;Satialgine H 8;Snow acid algin G;Verdyol Super;Acid Algin G 2; |
| EINECS: | 232-680-1 |
| Density: | 1.67g/cm3 |
| Melting Point: | 300 °C |
| Boiling Point: | 732.5°C at 760 mmHg |
| Flash Point: | 267.8°C |
| Solubility: | Insoluble in water. |
| Appearance: | light yellow powder |
| Hazard Symbols: | Xi |
| Risk Codes: | 36/37/38 |
| Safety: | 24/25-36-26 |
| PSA: | 127.45000 |
| LogP: | -3.12910 |
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| Conditions | Yield |
|---|---|
| With hydrogenchloride; water In water at 4℃; | |
| With formic acid In water at 4 - 20℃; for 7h; |
| Conditions | Yield |
|---|---|
| Stage #1: chitosan, degree of acetylation 0.03, Mw 100 kDa, viscosity of 1 percent solution in 1 percent acetic acid 110 pPa, ashes 0.3 percent With hydrogenchloride Stage #2: alginic acid With ammonium bicarbonate | 0.93% |
| Conditions | Yield |
|---|---|
| With calcium carbonate for 1h; Neat (no solvent); |
| Conditions | Yield |
|---|---|
| With strontium(II) carbonate for 1.5h; Neat (no solvent); |
| Conditions | Yield |
|---|---|
| With hydrazine hydrate at 100℃; |
| Conditions | Yield |
|---|---|
| With hydrazine hydrate at 100℃; for 2h; |
| Conditions | Yield |
|---|---|
| With hydrazine hydrate at 100℃; |
| Conditions | Yield |
|---|---|
| With hydrazine hydrate at 100℃; for 4h; |
| Conditions | Yield |
|---|---|
| With hydrazine hydrate at 100℃; for 6h; |
| Conditions | Yield |
|---|---|
| With hydrazine hydrate at 100℃; for 8h; |
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Specification
The Alginic acid, with the CAS registry number 9005-32-7,is also known as Landalgine. It belongs to the product categories of Organic matters. This chemical's molecular formula is (C12H16O12)n and Its EINECS number is 232-680-1.What's more,Its systematic name is Alginic acid .It is an anionic polysaccharide distributed widely in the cell walls of brown algae, where it, through binding water, forms a viscous gum. In extracted form it absorbs water quickly; it is capable of absorbing 200-300 times its own weight in water. Its colour ranges from white to yellowish-brown.
Safety Information of Alginic acid:
The Alginic acid is irritating to eyes, respiratory system and skin. When you use it ,wear suitable protective clothing and avoid contact with skin and eyes. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Preparation of Alginic acid:
Alginic acid absorbs water quickly, which makes it useful as an additive in dehydrated products such as slimming aids, and in the manufacture of paper and textiles. It is also used for waterproofing and fireproofing fabrics, as a gelling agent, for thickening drinks, ice cream and cosmetics, and as a detoxifier that can absorb poisonous metals from the blood. Alginic acid is used in various pharmaceutical preparations such as Gaviscon, Bisodol, and Asilone. Alginate is used extensively as a impression-making material in dentistry, prosthetics, lifecasting. It is also used in the food industry, for thickening soups and jellies.
The toxicity data of Alginic acid as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| cat | LDLo | intraperitoneal | 250mg/kg (250mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: ATAXIA GASTROINTESTINAL: NAUSEA OR VOMITING | Annals of Surgery. Vol. 127, Pg. 1173, 1948. |
| cat | LDLo | intravenous | 250mg/kg (250mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: ATAXIA GASTROINTESTINAL: NAUSEA OR VOMITING | Annals of Surgery. Vol. 127, Pg. 1173, 1948. |
| mouse | LDLo | intraperitoneal | 1gm/kg (1000mg/kg) | Toxicology and Applied Pharmacology. Vol. 23, Pg. 288, 1972. | |
| rat | LD50 | intraperitoneal | 1600mg/kg (1600mg/kg) | Archives Internationales de Pharmacodynamie et de Therapie. Vol. 111, Pg. 167, 1957. | |
| rat | LD50 | oral | > 5gm/kg (5000mg/kg) | Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 19, Pg. S27, 1994. |