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20 Metric Ton Minimum Order
بلد:
South Africa
نموذج رقم:
afexpo-818
سعر فوب:
الموقع:
South Africa
سعر الحد الأدنى للطلب:
-
الحد الأدني للطلب:
20 Metric Ton
تفاصيل التغليف:
Drums
موعد التسليم:
17 - 30 days
القدرة على التوريد:
18000 Metric Ton per Month
نوع الدفع:
T/T, L/C, D/A, Western Union, PayPal
مجموعة المنتج :
South Africa
الشخص الذي يمكن الاتصال به Mali
188 Eloff Street, Johannesburg, Gauteng
Benzyl Alcohol BP
MF C7H8O M.wt **8.1 CAS# *******6
Benzyl Alcohol BP
DEFINITION
Phenylmethanol
Content
*8.0 per cent to **0.5 per cent.
CHARACTERS
Appearance
Clear, colourless, oily liquid.
Solubility
Soluble in water, miscible with ethanol (*6 per cent) and with
fatty and essential oils.
Relative density
1.**3 to 1.**9.
IDENTIFICATION
Infrared absorption spectrophotometry.
Comparison: benzyl alcohol CRS.
TESTS
Appearance of solution
Shake 2.0 ml with *0 ml of water. It dissolves completely. The
solution is clear and colourless.
Acidity
To *0 ml add *0 ml of ethanol (*6 per cent) and 1 ml of
phenolphthalein solution. Not more than 1 ml of 0.1 M sodium
hydroxide is required to change the colour of the indicator to
pink.
Refractive index
1.**8 to 1.**1.
Peroxide value
Maximum 5.
Related substances
Gas chromatography to pass the tests
Benzyl Alcohol USP NF
C7H8O **8.*4
Benzenemethanol.
Benzyl alcohol USP [*******6].
Benzyl Alcohol contains not less than *8.0 percent and not more than **0.5 percent of C7H8O.
Labeling— Where Benzyl Alcohol is intended for use in the manufacture of injectable dosage forms, it is so labeled.
Clarity of solution—
Test solution— Dissolve 2.0 g of Benzyl Alcohol in *0 mL of
water, and mix.
To pass the test as per monograph
The Test solution shows the same clarity as that of water, or its
opalescence is not more pronounced than that of Reference
suspension.
Color of solution—
Test solution— Use the Test solution prepared in the test
for Clarity of solution.
To pass the test as per monograph
Test solution has the color of water.
Identification— Infrared Absorption **7F , on un-dried
specimen.
Peroxide value: not more than 5.
Refractive index: between 1.**8 and 1.**1 at *0.
Acidity— Neutralize *0 mL of alcohol containing 1 mL of
phenolphthalein TS with 0.*0 N sodium hydroxide. Dissolve *0 mL of
Benzyl Alcohol in *0 mL of the neutralized alcohol, and titrate
with 0.*0 N sodium hydroxide to the first appearance of a pink
color that persists for not less than *0 seconds: not more than 1.0
mL is consumed.
Limit of nonvolatile residue— [NOTE—Ensure that the Benzyl
Alcohol to be examined complies with the test for Peroxide value
before performing this test.] Evaporate *0.0 g of Benzyl Alcohol on
a water bath to dryness, and dry the residue at **5 for 1 hour.
Cool in a desiccator, and weigh. The residue weighs not more than 5
mg: not more than 0.*5% of nonvolatile residue is found.
Related compounds—
Test solution— Use the Benzyl Alcohol specimen under
examination.
To pass the test as per monograph
Benzyl Alcohol ACS Analytical Reagent
Benzenemethanol C6H5CH2OH
Formula Wt **8.*4
CAS Number *******6
REQUIREMENTS
Assay:
*9.0% C6H5CH2OH
MAXIMUM ALLOWABLE
Color (APHA): *0
Residue after ignition: 0.**5%
Acetophenone (C6H5COCH3): 0.*2%
Benzaldehyde (C6H5CHO): 0.*1%
Benzyl Alcohol is also called Phenylmethanol
بلد: | South Africa |
نموذج رقم: | afexpo-818 |
سعر فوب: | أحصل على آخر سعر |
الموقع: | South Africa |
سعر الحد الأدنى للطلب: | - |
الحد الأدني للطلب: | 20 Metric Ton |
تفاصيل التغليف: | Drums |
موعد التسليم: | 17 - 30 days |
القدرة على التوريد: | 18000 Metric Ton per Month |
نوع الدفع: | T/T, L/C, D/A, Western Union, PayPal |
مجموعة المنتج : | Alcohol |