ortho-Vanillin (2-Hydroxy-3-methoxybenzaldehyde) is an organic solid present in the extracts and essential oils of many plants. Its functional groups include aldehyde, ether and phenol. ortho-Vanillin, a compound of the formula C8H8O3, is distinctly different from its more prevalent isomer, vanillin. The \"ortho-\" prefix refers to the position of the compound’s hydroxyl moiety, which is found in the para-position in vanillin.

CAS：148-53-8
中文别名：2-羟基-3-甲氧基苯甲醛;O-香草醛;3-甲氧基-2-羟基苯甲醛;3-甲氧基水杨醛;2-香草醛;邻香兰素;
英文别名：o-Vanillin;Benzaldehyde, 2-hydroxy-3-methoxy-;2-hydroxy-3-methoxybenzaldehyde;3-Methoxysalicylaldehyde;2-Hydroxy-3-methoxybenzaldehyde;
分子式：C8H8O3
分子量：152.147
精确质量：152.047
Psa：46.53
Logp：1.2133

BRN号：471913
PubChem号：24890053
MDL号：MFCD00003322
EINECS号：205-715-3
RTECS号：CU6530000

外观与性状：纤维状的,淡黄色,结晶固体
密度：1.231 g/cm3
沸点：265-266°C(lit.)
熔点：40-42°C(lit.)
闪点：>230°F
折射率：1.5632 (45ºC)
水溶解性：slightly soluble
稳定性：Stable at room temperature in closed containers under normal storage and handling conditions.
储存条件：Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.
蒸汽压：0.00556mmHg at 25°C

RTECS号：CU6530000
安全说明：S23-S36-S24/25
WGK Germany：3
危险类别码：R36/37/38
海关编码：29124900
危险品标志：Xi

用途
用于制药及电镀等工业。