中文名 | 3,4-二羟基苯甲醛 |
英文名 | 3,4-Dihydroxybenzaldehyde |
别名 | 茶醛 兒茶醛 原儿茶醛 原二茶醛 茶酚甲醛 兒茶酚甲醛 4-二羟基苯甲醛 3,4-二羟基苯甲醛 3,4-二羟基苯甲醛(原儿茶醛) 3,4-DIHYDROXYBENZALDEHYDE 原儿茶醛 原儿茶醛(3,4-二羟基苯甲醛,兒茶酚甲醛,儿茶酚甲醛,儿茶醛) |
英文别名 | AURORA 17180 AKOS BBS-00003254 PROTOCATECHUALDEHYDE Protocatechualdehyde PROTOCATECHUIC ALDEHYDE protocatechuic aldehyde 3,4-DIHYDROXYBENZALDEHYDE 3,4-dihydroxy-benzaldehyd 3,4-Dihydroxybenzaldehyde 3,4-Dihydroxy benzlaldehyde 3, 4-Dihydroxy benzlaldehyde 4-FORMYL-1,2-DIHYDROXYBENZENE 1,2-Dihydroxy-4-formylbenzene 4-FORMYL-1,2-Dihydroxybenzene 3,4-Dihydroxybenzaldehyd (Protocatechualdehyde) |
CAS | 139-85-5 |
EINECS | 205-377-7 |
化学式 | C7H6O3 |
分子量 | 138.12 |
InChI | InChI=1/C7H6O3/c8-4-5-1-2-6(9)7(10)3-5/h1-4,9-10H |
密度 | 1.2667 (rough estimate) |
熔点 | 150-157°C(lit.) |
沸点 | 213.5°C (rough estimate) |
闪点 | 146.7°C |
水溶性 | 50 g/L (20 ºC) |
蒸汽压 | 0.000867mmHg at 25°C |
溶解度 | 6.3g/l |
折射率 | 1.4600 (estimate) |
酸度系数 | pK (25°) 7.55 |
存储条件 | Store below +30°C. |
稳定性 | 稳定。与强碱、强氧化剂不相容。 |
敏感性 | Air Sensitive |
外观 | 结晶性粉末 |
颜色 | slightly brown |
Merck | 14,7893 |
BRN | 774381 |
物化性质 | 片状结晶。熔点153-154℃。溶于热水,易溶于乙醇和乙醚。 |
MDL号 | MFCD00003370 |
危险品标志 | Xi - 刺激性物品 |
风险术语 | R36/37/38 - 刺激眼睛、呼吸系统和皮肤。 R22 - 吞食有害。 |
安全术语 | S26 - 不慎与眼睛接触后,请立即用大量清水冲洗并征求医生意见。 S36 - 穿戴适当的防护服。 S37/39 - 戴适当的手套和护目镜或面具。 |
WGK Germany | 3 |
RTECS | UL0380000 |
FLUKA BRAND F CODES | 9 |
海关编号 | 29124900 |
Hazard Note | Irritant/Air Sensitive |
上游原料 | 五氯化磷 |
下游产品 | 4-甲酰-15-冠-5 3,4-二苄氧基苯甲醛 4-二氟甲氧基-3-羟基苯甲醛 |
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