Butylparaben/CAS：No. 94-26-8/Best price/ sample is free/ DA 90 days have REACH Certification
QUICK DETAILS：
Molecular Formula: C11H14O3
Molecular Weight: 194.227 g/mol
EINECS: 202-318-7
Storage temp.: 0-6 °C
Index of Refraction: 1.526
Density: 1.108 g/cm3
Flash Point: 129.2 °C
Melting point: 67-70 °C(lit.)
Appearance: White crystalline powder
Enthalpy of Vaporization: 57.19 kJ/mol
Boiling Point: 309.2 °C at 760 mmHg
Vapour Pressure: 0.000356 mmHg at 25 °C
Water Solubility: <0.1 g/100 mL at 17 °C
IUPAC Name: Butyl 4-hydroxybenzoate
Product Category of Butylparaben (CAS NO.94-26-8): Pharmaceutical Raw Materials
检验报告
CERTIFICATE OF ANALYSIS
| Product:
对羟基苯甲酸丁酯 Butyl 4- Hydroxybenzoate |
CAS:94-26-8 | Inspect Date:
2023.02.02 |
Production Date:
2023.02.01 |
| Molecular formula：C11H14O3
Molecular weight：194.2271 |
Quantity：25T | Batch No.:
HC22/2302001 |
Shelf life:
36 months |
|
检测项目 Test Item And Results |
|||
|
Item |
Specification |
Result |
|
|
外观 Appearance |
白色或类白色结晶性粉末Whiteor almost white crystalline powder |
合格 Qualified |
|
|
含量%≥ aniline assay |
≥99.0-100.5% |
99.86 |
|
|
熔点（℃） Melting Point |
67-69℃ |
67.6 |
|
|
酸度(PH) Acidity |
4.0-7.0 |
6.56 |
|
|
干燥失重 Loss on Drying |
≤0.5% |
0.48 |
|
|
灼烧残渣 Ignition Residue |
≤0.1% |
0.06 |
|
|
Conclusion |
Qualified |
||
Butylparaben Uses
Butylparaben (CAS NO.94-26-8) is used as an antifungal preservative in cosmetics, and is in the form of suspension fluid to be a component of many medications.
Butylparaben Consensus Reports
Reported in EPA TSCA Inventory.
Butylparaben Production
Butylparaben (CAS NO.94-26-8) can be derived by the reaction of p-hydroxybenzoic acid and butanol with sulfuric acid as catalyst.
Butylparaben Toxicity Data With Reference
| 1. | skn-gpg 5%/48H MLD | JSCCA5 Journal of the Society of Cosmetic Chemists. 28 (1977),357. | ||
| 2. | orl-mus LD50:13,200 mg/kg | NEZAAQ Nippon Eiseigaku Zasshi. Japanese Journal of Hygiene. 28 (1973),463. | ||
| 3. | ipr-mus LD50:230 mg/kg | JSCCA5 Journal of the Society of Cosmetic Chemists. 28 (1977),357. |
4. RTECS DH1980000
Butylparaben Safety Profile
Poison by intraperitoneal route. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes. See also ESTERS.
Risk Statements:
36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements:
22: Do not breathe dust
24/25: Avoid contact with skin and eyes
WGK Germany: 2
Butylparaben Specification
Butylparaben , its cas register number is 94-26-8. It also can be called p-Hydroxybenzoic acid butyl ester ; 4-(Butoxycarbonyl)phenol ; 4-Hydroxybenzoic acid butyl ester ; Butoben ; Butyl 4-hydroxybenzoate ; Butyl p-hydroxybenzoate ; Butyl parabens ; n-Butyl p-hydroxybenzoate ; n-Butylparaben ; 4-Hydroxybenzoic acid butyl ester ; and n-Butyl 4-hydroxybenzoate . It is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While, it's inhaled: Remove from exposure and move to fresh air immediately. Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product: Wash mouth out with water, and get medical aid immediately. Notes to physician: Treat supportively and symptomatically.
In addition, Butylparaben (CAS NO.94-26-8) is not compatible with strong oxidizing agents, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products: carbon monoxide, carbon dioxide.
Company Information
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Notes
Safety and Handling
