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| CAS No.: | 58-56-0 |
|---|---|
| Name: | Pyridoxine hydrochloride |
| Molecular Structure: | |
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|
|
| Formula: | C8H11NO3.ClH |
| Molecular Weight: | 205.641 |
| Synonyms: | 3,4-Pyridinedimethanol,5-hydroxy-6-methyl-, hydrochloride (9CI);Pyridoxol, hydrochloride (7CI,8CI);2-Methyl-3-hydroxy-4,5-bis(hydroxymethyl)pyridine hydrochloride;4,5-Bis(hydroxymethyl)-2-methylpyridin-3-olhydrochloride;4,5-Bis(hydroxymethyl)-3-hydroxy-2-methylpyridine hydrochloride;5-Hydroxy-6-methyl-3,4-pyridinedimethanol hydrochloride;Aderomine hydrochloride;Aderoxin;Aderoxine;Hexabetalin;Hexavibex;Pyridipca;Pyridox;Pyridoxin hydrochloride;Pyridoxine chloride; |
| EINECS: | 200-386-2 |
| Density: | 1.2784 (rough estimate) |
| Melting Point: | 214-215 °C(lit.) |
| Boiling Point: | 491.9 °C at 760 mmHg |
| Flash Point: | 251.3 °C |
| Solubility: | 0.1 g/mL at 20 °C in water |
| Appearance: | Crystalline |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-37/39 |
| PSA: | 73.58000 |
| LogP: | 0.88220 |
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pyridoxine triacetate
- 58-56-0
pyridoxal hydrochloride
| Conditions | Yield |
|---|---|
| With hydrogenchloride In water for 2h; Heating; | 98% |
| With hydrogenchloride; water for 2h; Heating / reflux; | 72% |
- 2397-71-9
5-hydroxy-6-methylpyridine-3,4-dicarboxylic acid diethyl ester
- 58-56-0
pyridoxal hydrochloride
| Conditions | Yield |
|---|---|
| Stage #1: 5-hydroxy-6-methylpyridine-3,4-dicarboxylic acid diethyl ester With sodium tetrahydroborate; iron(II) sulfate; N,N-dimethyl-aniline In tetrahydrofuran for 4h; Reflux; Stage #2: With hydrogenchloride In tetrahydrofuran at 20℃; Reagent/catalyst; Solvent; | 93.4% |
- 58-56-0
pyridoxal hydrochloride
| Conditions | Yield |
|---|---|
| Stage #1: 4,5-dihydroxymethyl-2-methyl-2-cyclopentenone With ozone In methanol; water at -30℃; for 3h; Stage #2: With ammonia In methanol; water at 20 - 25℃; for 3h; Stage #3: With hydrogenchloride; pyrographite In ethanol at 55 - 60℃; for 1h; Temperature; Solvent; | 92% |
- 13515-97-4
methyl 2-aminopropanoate monohydrochloride
- 58-56-0
pyridoxal hydrochloride
| Conditions | Yield |
|---|---|
| Stage #1: 2-hydroxymethyl-3-cyano-4-hydroxy-n-butyraldehyde; methyl 2-aminopropanoate monohydrochloride With sodium methylate In methanol at 30 - 50℃; for 5h; Green chemistry; Stage #2: With hydrogenchloride In methanol; water for 2h; Temperature; Solvent; Reagent/catalyst; Reflux; Green chemistry; | 90.5% |
| Conditions | Yield |
|---|---|
| Stage #1: 4-methyl-5-dimethyl-tert-butylsiloxyoxazole; 2-propyl-4,7-dihydro-2H-1,3-dioxepine at 115 - 120℃; for 10h; Stage #2: With water In ethanol at 20℃; for 3h; Stage #3: With hydrogenchloride In ethanol; water at 20℃; for 2h; | 89.5% |
| Conditions | Yield |
|---|---|
| Stage #1: Diels-Alder adduct With hydrogenchloride In ethanol; water at 20℃; for 2h; Stage #2: In ethanol; water for 2h; | 86.05% |
- 58-56-0
pyridoxal hydrochloride
| Conditions | Yield |
|---|---|
| With hydrogenchloride; pyrographite In ethanol; water at 75 - 78℃; for 3h; Temperature; | 83.5% |
| Conditions | Yield |
|---|---|
| Stage #1: 4-methyl-5-triisopropylsiloxyoxazole; 2-propyl-4,7-dihydro-2H-1,3-dioxepine at 115 - 120℃; for 10h; Stage #2: With water In ethanol at 20℃; for 3h; Stage #3: With hydrogenchloride In ethanol; water at 20℃; for 2h; | 82.7% |
- 4469-34-5
2-propyl-4,7-dihydro-2H-1,3-dioxepine
- 24201-52-3
4-methyl-5-butoxy1,3-oxazole
- 58-56-0
pyridoxal hydrochloride
| Conditions | Yield |
|---|---|
| Stage #1: 2-propyl-4,7-dihydro-2H-1,3-dioxepine; 4-methyl-5-butoxy1,3-oxazole With calcium oxide at 150℃; for 12h; Diels-Alder Cycloaddition; Stage #2: With hydrogenchloride In ethanol; water at 20 - 60℃; for 12h; Stage #3: With hydrogenchloride In water for 1h; pH=8; Reagent/catalyst; Reflux; | 80% |
- 5006-20-2
5-ethoxy-4-methyl-oxazole
- 4469-34-5
2-propyl-4,7-dihydro-2H-1,3-dioxepine
- 58-56-0
pyridoxal hydrochloride
| Conditions | Yield |
|---|---|
| With hydrogenchloride Diels-Alder Cycloaddition; | 78.5% |
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Chemistry
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IUPAC Name: 4,5-Bis(hydroxymethyl)-2-methylpyridin-3-ol hydrochloride
Molecular Formula: C8H12ClNO3
Molecular Weight: 205.64 g/mol
SMILES: c1(c(cnc(c1O)C)CO)CO.Cl
InChI: InChI=1/C8H11NO3.ClH/c1-5-8(12)7(4-11)6(3-10)2-9-5;/h2,10-12H,3-4H2,1H3;1H
EINECS: 200-386-2
Classification Code: Drug / Therapeutic Agent; Human Data; Mutation data; Reproductive Effect; Vitamin [enzyme co-factor]
Product Categories: Biochemistry; Pyridinium Compounds; Vitamins; Nutritional Supplements; Vitamins and derivatives; Aromatics; Heterocycles; Vitamin Ingredients
Flash Point: 251.3 °C
Enthalpy of Vaporization: 79.91 kJ/mol
Boiling Point: 491.9 °C at 760 mmHg
Melting Point: 214-215 °C(lit.)
storage temperature: 2-8 °C
solubility: H2O: 0.1 g/mL at 20 °C, clear, colorless
Sensitive: Light Sensitive
Stability: Stable. Protect from air and light.
Vapour Pressure of Pyridoxine hydrochloride (CAS NO.58-56-0): 1.71E-10 mmHg at 25 °C
Uses
Pyridoxine hydrochloride (CAS NO.58-56-0) is widely used in pharmaceutical ,food and feed additives and also could be used in the cosmetics .
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| cat | LD50 | intramuscular | 500mg/kg (500mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" | Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961. |
| cat | LD50 | intravenous | 560mg/kg (560mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" | Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961. |
| cat | LD50 | oral | 1gm/kg (1000mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" | Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961. |
| dog | LD50 | oral | > 500mg/kg (500mg/kg) | Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961. | |
| mouse | LD50 | intravenous | 660mg/kg (660mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961. |
| mouse | LD50 | oral | 5500mg/kg (5500mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961. |
| mouse | LD50 | subcutaneous | 2450mg/kg (2450mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961. |
| pigeon | LD50 | intravenous | 145mg/kg (145mg/kg) | BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961. |
| rabbit | LD50 | intravenous | 464mg/kg (464mg/kg) | PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961. |
| rat | LD50 | intravenous | 530mg/kg (530mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: EXCITEMENT | Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961. |
| rat | LD50 | oral | 4gm/kg (4000mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: EXCITEMENT | Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961. |
| rat | LD50 | subcutaneous | 3gm/kg (3000mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: EXCITEMENT | Arzneimittel-Forschung. Drug Research. Vol. 11, Pg. 922, 1961. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39: Wear suitable gloves and eye/face protection.
WGK Germany: 2
RTECS of Pyridoxine hydrochloride (CAS NO.58-56-0): UV1350000
Specification
Pyridoxine hydrochloride (CAS NO.58-56-0), its Synonyms are 3,4-Pyridinedimethanol, 5-hydroxy-6-methyl-, hydrochloride ; 5-Hydroxy-6-methyl-3,4-pyridinedimethanol hydrochloride ; Vitamin B6 hydrochloride ; 2-Methyl-3-hydroxy-4,5-bis(hydroxymethyl)pyridine hydrochloride ; 3-Hydroxy-4,5-dihydroxymethyl-2-methylpyridine hydrochloride ; 3-Hydroxy-4,5-dimethylol-alpha-picoline hydrochloride ; 4,5-Bis(hydroxymethyl)-2-methylpyridin-3-ol hydrochloride ; Aderomine hydrochloride ; 3,4-Pyridinedimethanol, 5-hydroxy-6-methyl-, hydrochloride (1:1) . It is crystalline.