| Product Identification | Back to Contents | 【Product Name】
3,4-Dimethoxy-5-hydroxybenzaldehyde | 【Synonyms】
3,4-Dimethoxy-5-hydroxybenzaldehyde
5-Hydroxy-3,4-dimethoxybenzaldehyde
5-Hydroxyveratraldehyde | 【CAS】
29865-90-5 | 【Formula】
C9H10O4 | 【Molecular Weight】
182.17 | 【Beilstein Reference】
4-08-00-02718 |
| Physical and Chemical Properties | Back to Contents | 【Solubility in water】
5.5 g/L (25 C) | 【Melting Point】
64 - 65 | 【Boiling Point】
314 | 【Vapor Pressure】
0.00026 (25 C) | 【Density】
1.234 g/cm3 (20 C) | 【pKa/pKb】
8.87 (pKa) | 【Partition Coefficient】
1.13 | 【Heat Of Vaporization】
57.73 kJ/mol |
| First Aid Measures | Back to Contents | 【Ingestion】
If swallowed, wash out mouth with water provided person is conscious. Call a physician. | 【Inhalation】
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen. | 【Skin】
In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician. | 【Eyes】
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician. |
| Hazards Identification | Back to Contents | 【Inhalation】
Material is irritating to mucous membranes and upper respiratory tract. | 【Hazards】
Emits toxic fumes under fire conditions. | 【EC Risk Phrase】
36/37/38 | 【EC Safety Phrase】
26 37/39 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing. | 【Respirators】
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Where risk assessment shows air-purifying respirators are appropriate use a full-face respirator with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. | 【Exposure Effects】
Causes eye and skin irritation. May be harmful by inhalation, ingestion, or skin absorption. |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
133 | 【Fire Fighting】
Extinguish with water spray, carbon dioxide, dry chemical powder or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes. |
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| Company Name: | J & K SCIENTIFIC LTD. |
| Tel: | 400-666-7788 +86-10-82848833 |
| Fax: | +86-10-82849933 |
| WebSite: | www.jkchemical.com |
| Company Name: | Energy Chemical |
| Tel: | 021-58432009 / 400-005-6266 |
| Fax: | 021-58436166-800 |
| WebSite: | www.energy-chemical.com |
| Company Name: | Shanghai Hanhong Chemical Co., Ltd. |
| Tel: | 021-61521197,021-60496702,021-54302127,021-54306202,021-61525701,021-54308259 |
| Fax: | +86-21-54291107 |
| WebSite: | www.hanhonggroup.com |
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