1,4-Dimethoxybenzene 1,4-二甲氧基苯
CAS 150-78-7 MFCD00008401
信息真实价格透明
资金保障
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信息真实价格透明
资金保障
专业采购外包团队在线服务
品牌质保精细包装
现货库存
一流品牌服务
分类
- {SA} A-D, Alphabetical Listings, C-D, Flavors and Fragrances, Kosher Certified Products
- {Chemicalbook} 食品添加剂: 食用香料(增香剂): 天然等同香料和人造香料
- {uni_hamburg} no charge; carbocycle; aromatic; 6RingOnly; 6ring; ether; 1fragment
- {SNA} A - D, A-D, Alphabetical Listings, C-D, Certified Food Grade Products, Flavors and Fragrances,
产品应用
- 定香剂。中间体。涂料和塑料老化剂.
相关文献及参考
- Short: II/27B
- Beilstein:6(4)5718
- In contrast to the 1,3-isomer (see preceding entry), direct dilithiation with n-BuLi/TMEDA was successful, giving, with TMS chloride, the 2,5-disilyl derivative in 68% yield: J. Org. Chem., 49, 4657 (1984).
- Short: II/27C
- 1,4-Dimethoxybenzene and its simple derivatives undergo anodic oxidation in methanol, to give bis-acetals of benzoquinones. For experimental details, see: Org. Synth. Coll., 6, 971 (1988). For a review of the chemistry of these bis-acetals and of the mono-acetals obtained by partial hydrolysis, see: Acc. Chem. Res., 16, 74 (1983).
安全信息
GHS Symbol
- S37 Wear suitable gloves 戴适当手套;
- S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
- S36 Wear suitable protective clothing 穿戴适当的防护服;
- S24/25 Avoid contact with skin and eyes 避免皮肤和眼睛接触;
- R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
- P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
- P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
- P302+P352+P332+P313+P362+P364
- P305+P351+P338
- P305+P351+P338+P337+P313
- P312 Call a POISON CENTER or doctor/physician if you feel unwell. 如果你感觉不适,呼叫解毒中心或医生/医师。
- P332+P313
- P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服,清洗后方可重新使用
- H303 May be harmfully swallowed 吞食可能有害
- H315 Causes skin irritation 会刺激皮肤
- H319 Causes serious eye irritation 严重刺激眼睛
- H335 May cause respiratory irritation 可能导致呼吸道刺激
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 100 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 4 gm/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - muscle contraction or spasticity REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 4(2),30,1960
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 3600 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 16,715,1978
其他信息
- Alfa Aesar:1,4-二甲氧基苯,98% 1,4-Dimethoxybenzene, 98%(150-78-7)
- 有丁香气味。溶于乙醇、乙酸乙酯、丙酮和苯,微溶于水,溶解度:0.8 g/l水,1g/10ml dioxane。最大吸收波长280-300nm。刺激性。
- 食品添加剂最大允许使用量最大允许残留量标准:添加剂中文名称 允许使用该种添加剂的食品中文名称 添加剂功能 最大允许使用量(g/kg) 最大允许残留量(g/kg) 对-二甲氧基苯 食品 食品用香料 用于配制香精的各香料成分不得超过在GB 2760中的最大允许使用量和最大允许残留量
- 用途三:该品为有机合成中间体,用于生产药物甲氧胺盐酸盐、染料黑色盐ANS等。还用作定香剂,用于日用化学品,配制食品、烟用香精;还可作为塑料、涂料的抗风蚀剂。
- 上游原料:硫酸二甲酯 --> 1,4-苯二酚 --> 甲酯
- 对苯二甲醚价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 30066224 1,4-二甲氧基苯;对二甲氧基苯; 对苯二酚二甲醚; 氢醌二甲醚 25g 162元 2011/04/16 D0629 1,4-二甲氧基苯 1,4-Dimethoxybenzene 25G 124元 2011/04/16 D0629 1,4-二甲氧基苯 1,4-Dimethoxybenzene 500G 517元
- 蒸气密度:4.8 (vs air)
- 用途一:用作有机化工中间体,用于生产药物甲氧胺盐酸盐、染料黑色盐ANS等,还用作定香剂
- MSDS 信息:1,4-Dimethoxybenzene(150-78-7).msds
- 使用限量:FEMA(mg/kg):软饮料8.1;冷饮5.0;糖果4.7;焙烤食品5.8。 适量为限(FDA§172.515,2000)。
- TCI Shanghai:1,4-二甲氧基苯 1,4-Dimethoxybenzene,>;99.0%(GC)(150-78-7)
- 海关编码:29093090
- Acros Organics:1,4-二甲氧基苯 1,4-Dimethoxybenzene, 99+%(150-78-7)
- Sigma Aldrich:150-78-7(sigmaaldrich)
- 方法二:由对苯二酚经硫酸二甲酯或氯甲烷甲基化而得。
- 图谱信息:对苯二甲醚(150-78-7)质谱(MS) 对苯二甲醚(150-78-7)红外图谱(IR1) 对苯二甲醚(150-78-7)Raman光谱 对苯二甲醚(150-78-7)核磁图( 1 HNMR) 对苯二甲醚(150-78-7)红外图谱(IR3) 对苯二甲醚(150-78-7)核磁图( 13 CNMR) 对苯二甲醚(150-78-7)红外图谱(IR2)
- 用途二:GB 2760一96规定为允许使用的食用香料。主要用于配制坚果类香精。
- 下游产品:茴香脑 --> N-异丙基丙烯酰胺 --> 阿西美辛 --> 2,5-二甲氧基苯胺 --> 2,5-二氯对苯二醌 --> 1-(2,5-二甲氧基苯基)-1,2-丙二酮-2-肟 --> 地茂散 --> 2,5-二甲氧基苯基乙酸 --> 阿司咪唑 --> 2,5-二甲氧基苯丙酮 --> 1,4-二甲氧基-2-硝基苯
- MOL 文件:150-78-7.mol
- 方法一:由硫酸二甲酯、对苯二酚在碱存在下反应而得。
- 用途四:定香剂。中间体。涂料和塑料老化剂.
- 蒸气压:<;1 mm Hg ( 20 °C)
- FEMA:2386