Molecular Formula | C15H15N |
Molar Mass | 209.2863 |
Density | 0.84 |
Melting Point | 70-80°C ((ASTM D 127)) |
Boling Point | 322 °C |
Flash Point | 198 °C |
Water Solubility | Insoluble in water |
Solubility | Practically insoluble in acetone, ethanol, hot or coldethanol (95%), glycerin, and water; soluble in benzene, carbondisulfide, chloroform, ether, hexane, and most fixed and volatileoils. |
Appearance | Paste |
Specific Gravity | 0.815~0.880 (60℃) |
Color | white |
Odor | Odorless |
PH | pH (25℃) : 4.5~8.0 |
Storage Condition | Sealed in dry,Room Temperature |
Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
Refractive Index | n20/D 1.45 |
MDL | MFCD00147839 .. |
Physical and Chemical Properties | White to yellow or light amber semisolid grease. Thin layer when transparent, micro-fluorescent. Insoluble in water, practically insoluble in cold or hot ethanol and cold anhydrous ethanol. Soluble in ether, hexane and most volatile or non-volatile oil; Soluble in benzene, carbon disulfide, chloroform and turpentine. |
Use | Raw materials for ointments and raw materials for cosmetics |
Hazard Symbols | T - Toxic |
Risk Codes | 45 - May cause cancer |
Safety Description | S24/25 - Avoid contact with skin and eyes. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S53 - Avoid exposure - obtain special instructions before use. |
WGK Germany | 3 |
RTECS | RV0350000 |
HS Code | 27121000 |
A semisolid mixture of decolorized hydrocarbons obtained from petroleum by this line.
The relative density of this product (General 0601) is 0. 815 to 0. 880 at 60°C.
The melting point of this product (General 0612) is 45~60°C.
take an appropriate amount of this product, melt at 85°C ± 2°C, according to the cone penetration method (General 0983), the cone should be 130 to 230 units.
take this product 35. O g, put it in a 250ml beaker, add 100ml of water, heat it to slight boiling, stir it for 5 minutes, let it stand and let it cool, separate the water layer, add 1 drop of phenolphthalein indicator solution, which should be colorless; Add 0.10 of methyl orange indicator solution, no pink color.
take this product lO .O g, put in the beaker, heat on the water bath to melt, move to the colorimetric tube, and the same volume of the control liquid (take the colorimetric copper sulfate liquid 0 .2M l and colorimetric potassium dichromate solution 7. 8 m l, mix well, take the mixture 2. 5ml, add water to 25ml) comparison, not deeper.
take this product, add trimethylpentane to make a solution containing 0.50mg per lm l, according to UV-visible spectrophotometry (General rule 0401), at the wavelength of 290nm, absorbance should not exceed 0.50.
take this product 3. 0G, inspection according to law (General 0803), should meet the requirements (0. 000 17%).
take 20.0g of this product, add 1 0 0 M l of neutral dilute ethanol (neutral to phenolphthalein), stir and heat to boiling, add phenolphthalein indicator liquid lm l and sodium hydroxide titration liquid (0. Im o l/L )0 .40 m l, strong stirring, should be red.
take 2.0g of this product, put 5501C into a crucible with constant weight, and heat with straight fire. There should be no smell and smell, lmgCO.05%).
Take 10g of this product, add 50ml of 5m o l/L sodium hydroxide solution, place it in a water bath for 30 minutes, separate the water layer, and use 2 .5M o l/L sulfuric acid solution acidification, no oil or solid material.
take this product l .O g, inspection according to law (General Principles 0821 second law), containing heavy metals shall not exceed 30 parts per million.
take this product l .O g, Add 10ml of a solution of magnesium nitrate hexahydrate in ethanol (1 - 50) and hydrogen peroxide (30%)1. 5ml, burning to charring, cooling, if not completely ash, then add a certain amount of nitric acid and then charring, 550 deg C to Ash completely. Inspection according to law (General Principles 0822 first law), shall comply with the provisions (0.0002%).
take this product l .O g, in a separatory funnel, add 50ml of n-hexane to dissolve, and add 10ml of dimethyl sulfoxide to shake, until layers are separated, add the lower layer to another separatory funnel, add 20ml of dimethyl sulfoxide and 20ml of n-hexane, shake for 1 min. After stratification, take the lower liquid, put it in a 50ml measuring flask, dilute it to the scale with dimethyl sulfoxide, shake well, and use it as a test solution. Take 10ml of dimethyl sulfoxide and 25ml of n-hexane, shake, layer, take the lower liquid as blank solution. In addition, take appropriate amount of naphthalene and use blank solution to make a solution containing 6mg per l lm as a control solution, according to UV-Vis spectrophotometry (General rule 0401), the absorbance of the test solution was measured in the range of 260 ~ 420nm, and the maximum value should not exceed the absorbance value of the control solution at the wavelength of 278mn.
pharmaceutical excipients, ointment base and lubricant.
sealed and protected from light.