4-hydroxy-2,5-二甲基噻吩-3(2h)-一 5-dimethyl thiophen-3(2H)-one
3(2h)-噻吩 3(2H)-thiophenone, 4-hydroxy-2,5-二甲基 5-dimethyl-

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CAS号 CAS Number: 26494-10-0Picture of molecule3D/INCHI
ECHA EINECS - REACH 预注册 Pre-Reg:247-742-3
FDA UNII:E9814L6CJM
nikkaji网站 Nikkaji Web:J248.954F
XlogP3-AA:1.20(est) 1.20 (est)
分子量 Molecular Weight:144.19316000
式 Formula:c6 h8 o2 s C6 H8 O2 S
核磁共振预测器 NMR Predictor:预测(适用于Chrome或Firefox) Predict (works with chrome or firefox)
efsa / jecfa评论 EFSA/JECFA Comments:
寄存器中的Casn没有指定异构体。 CASrn in Register does not specify isomer. 外消旋体(effa Racemate (EFFA, 2010a)。 2010a). 工业界不支持的物质(有效期 Substance not supported by Industry (EFFA,2009c)。 2009c). 不再受行业支持(efsa No longer supported by Industry (EFSA, 2011)。外消旋体(effa 2011). Racemate (EFFA, 2010).
类别 Category:information only not used for fragrances or flavors
 
美国 US/欧盟 EU/ fda / jecfa / fema / Flavis / 文献 Scholar /专利 Patent :
谷歌学术 Google Scholar:搜索 Search
谷歌书 Google Books:搜索 Search
谷歌学术 Google Scholar: with word "volatile"搜索 Search
谷歌学术 Google Scholar: with word "flavor"搜索 Search
谷歌学术 Google Scholar: with word "odor"搜索 Search
调香师和调味师 Perfumer and Flavorist:搜索 Search
谷歌专利 Google Patents:搜索 Search
美国专利 US Patents:搜索 Search
欧盟专利 EU Patents:搜索 Search
pubchem专利 Pubchem Patents:搜索 Search
 
物理性质 Physical Properties:
化验 Assay: 95.00至100.00 95.00 to 100.00
食品化学品法典列表 Food Chemicals Codex Listed: No
熔点 Melting Point: 133.00 °C. @ 760.00 mm 汞 Hg
沸点 Boiling Point: 296.00 °C. @ 760.00 mm 汞 Hg
蒸汽压力 Vapor Pressure:0.003000 毫米汞柱 mm汞 Hg @ 25.00 °C. (est)
闪点 Flash Point: 222.00 °F. tcc TCC ( 105.56 °C. )
logp(o / w) logP (o/w): 1.447(est) 1.447 (est)
溶于 Soluble in:
 alcohol
 水 water, 25°C时为8984 mg / l(est) 8984 mg/L @ 25 °C (est)
不溶于 Insoluble in:
 水 water
 
感官特性 Organoleptic Properties:
气味类型 Odor Type: meaty
气味强度 Odor Strength:高 high ,
建议在0.10%或更少的溶液中闻到 recommend smelling in a 0.10 % solution or less
meaty bready
气味描述 Odor Description:at 0.10 % in propylene glycol. 肉味面包 meaty bready
来自其他 的气味和/或风味描述(如果找到)。 Odor and/or flavor descriptions from others (if found).
 
化妆品信息 Cosmetic Information:
没找到 None found
 
供应商 Suppliers:
化学资源协会 Chemical sources Association Inc
需要这个物品来调味/食用吗? Need This Item for Flavor/Food?: 您 You can contact the 化学资源协会 Chemical sources Association Inc
 
安全信息 Safety Information:
 
危害识别 Hazards identification
 
物质或混合物的分类 Classification of the substance or mixture
根据29 cfr 1910(osha hcs)进行ghs分类 GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
没有找到。 None found.
ghs标签元素 GHS Label elements, 包括预防性声明 including precautionary statements
 
象形图 Pictogram
 
危险说明 Hazard statement(s)
没有找到。 None found.
防范说明 Precautionary statement(s)
没有找到。 None found.
口服/肠胃外毒性 Oral/Parenteral Toxicity:
未定 Not determined
皮肤毒性 Dermal Toxicity:
未定 Not determined
吸入毒性 Inhalation Toxicity:
未定 Not determined
 
使用安全信息 Safety in Use Information:
类别 Category: information only not used for fragrances or flavors
对4-羟基-2的推荐 Recommendation for 4-hydroxy-2,5-二甲基噻吩-3(2h)-一种用量最高可达 5-dimethyl thiophen-3(2H)-one usage levels up to:
 不用于香水。 not for fragrance use.
 
最大化源自调查的每日摄入量(msdi-eu) Maximised Survey-derived Daily Intakes (MSDI-EU): 0.12(微克/ 均/天) 0.12 (μg/capita/day)
修改后的理论增加的最大每日摄入量(mtamdi) Modified Theoretical Added Maximum Daily Intake (mTAMDI): 78(微克/ /天) 78 (μg/person/day)
关注点 Threshold of Concern:90(微克/ /天) 90 (μg/person/day)
结构类 Structure Class: iii III
 
根据委员会法规ec EC号的食品类别。 1565/2000(ec , 2000)在fge.06(efsa 2000) in FGE.06 (EFSA, 2002a). 根据 According to the Industry the "正常 normal" use is 定义的 defined as the 平均 average of 已报告 reported 用法 用法 usages and "最大 maximum use" is 定义的 defined as the 95th 百分位 percentile of 已报告 reported 用法 用法 usages (efsa EFSA, 2002i)。 2002i).
注意 Note: 毫克/千克= 0.001 / 1000 = 0.000001 = 1/1000000 = 百万分之几 ppm
 平均 average 用法 usage mg/kg kg最大 maximum 用法 usage mg/kg kg
乳制品 Dairy products, 不包括02.0(01.0)类产品 excluding products of category 02.0 (01.0): 0.200001.00000
脂肪和油脂 Fats and oils, 和脂肪乳液(油包水型)(02.0) and fat emulsions (type water-in-oil) (02.0): 0.100000.50000
食用冰 Edible ices, 包括果子露和果汁冰糕(03.0) including sherbet and sorbet (03.0): 0.200001.00000
加工水果(04.1) Processed fruit (04.1): 0.200001.00000
加工蔬菜(包括蘑菇和真菌) Processed vegetables (incl. mushrooms & fungi, 根与根块茎 roots & tubers, 豆类和豆类) pulses and legumes), 和坚果种子(04.2) and nuts & seeds (04.2): --
糖果(05.0) Confectionery (05.0): 0.200001.00000
谷物和谷物产品 Cereals and cereal products, 含税面粉根和淀粉块茎 incl. flours & starches from roots & tubers, 脉冲和豆类 pulses & legumes, 不包括面包店(06.0) excluding bakery (06.0): 0.100000.50000
烘焙用具(07.0) Bakery wares (07.0): 0.200001.00000
肉和肉制品 Meat and meat products, 包括家禽和野味(08.0) including poultry and game (08.0): 0.100000.20000
鱼和鱼制品 Fish and fish products, 包括软体动物 including molluscs, 甲壳类和棘皮类动物(麦克 MCE)(09.0) : 0.100000.20000
鸡蛋和蛋制品(10.0) Eggs and egg products (10.0): --
甜味剂 Sweeteners, 包括蜂蜜(11.0) including honey (11.0): --
盐 Salts, 香料 spices, 汤类 soups, 酱料 sauces, 色拉 salads, 蛋白产品 protein products, 等(12.0) etc. (12.0): 0.100000.50000
用于特定营养用途的食品(13.0) Foodstuffs intended for particular nutritional uses (13.0): 0.200001.00000
不含醇 Non-alcoholic ("柔软的 soft") 饮料 beverages, 不包括乳制品(14.1) excl. dairy products (14.1): 0.100000.50000
含醇的饮料 Alcoholic beverages, 含税无醇和低醇的对口(14.2) incl. alcohol-free and low-alcoholic counterparts (14.2): 0.200001.00000
即食美味(15.0) Ready-to-eat savouries (15.0): 0.400002.00000
复合食品(例如砂锅菜) Composite foods (e.g. casseroles, 肉馅饼 meat pies, 百果馅)-无法放在01.0-15.0(16.0)类别中的食物 mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): 0.100000.50000
 
安全参考 Safety references:
欧洲食品安全法规(efsa) European Food Safety Athority(efsa):风味使用水平;亚急性 Flavor usage levels; Subacute, 亚慢性 Subchronic, 慢性和致癌性研究;发育/ 毒性研究;遗传毒性研究... Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...

欧洲食品安全局(efsa EFSA)参考 :

调味组评估21 Flavouring Group Evaluation 21: 噻唑类 Thiazoles, thiophenes, 来自化学组29的噻唑啉和噻吩衍生物;来自化学组30的 物质(委员会法规(ec)2000年7月18日第1565/2000号)-食品添加剂科学小组的意见 thiazoline and thienyl derivatives from chemical group 29. Miscellaneous substances from chemical group 30. (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Opinion of the Scientific Panel on Food Additives, 调味料 Flavourings, 处理中 Processing 艾滋病 Aids and 材料 Materials in contact with Food (afc AFC)
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调味组评估76 Flavouring Group Evaluation 76, (fge.76)[1]-考虑通过与结构上相关的噻唑的jecfa(第五十九次会议)评估的含硫杂环化合物 (FGE.76)[1] - Consideration of sulphur-containing heterocyclic compounds evaluated by JECFA (59th meeting) structurally related to thiazoles, thiophenes, 来自化学组29的噻唑啉和噻吩衍生物 thiazoline and thienyl derivatives from chemical group 29, efsa EFSA在fge.21中评估了化学30组的其他杂物-食品添加剂专家组的科学观点 , 调味料 Flavourings, 处理中 Processing 艾滋病 Aids and 材料 Materials in 联系 Contact with Food
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调味组评估21 Flavouring Group Evaluation 21, 修订版1(fge.21rev1) Revision 1 (FGE.21Rev1): 噻唑类 Thiazoles, thiophenes, 来自化学组29的噻唑啉和噻吩衍生物 thiazoline and thienyl derivatives from chemical group 29 杂 Miscellaneous 物质 物质 substances from chemical group 30
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调味组评估93(fge.93) Flavouring Group Evaluation 93 (FGE.93): jecfa(第六十八次会议)评估的与噻唑结构相关的硫杂环的考虑 Consideration of sulphur heterocyclic evaluated by JECFA (68th meeting) structurally related to thiazoles, thiophenes, 噻唑啉 thiazoline and 噻吩基 thienyl 已评估 evaluated by by efsa EFSA in ge FGE.21Rev1 (2009)
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调味品组评价的科学见解21 Scientific Opinion on Flavouring Group Evaluation 21, 版本2(fge.21rev2) Revision 2 (FGE.21Rev2): 噻唑类 Thiazoles, thiophenes, 来自化学组29的噻唑啉和噻吩衍生物 thiazoline and thienyl derivatives from chemical group 29. 杂 Miscellaneous 物质 物质 substances from chemical group 30.
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调味品组评价的科学见解21 Scientific Opinion on Flavouring Group Evaluation 21, 版本3(fge.21rev3) Revision 3 (FGE.21Rev3): 噻唑类 Thiazoles, thiophenes, 噻唑啉 thiazoline and 噻吩基 thienyl 衍生品 derivatives from chemical 团体 groups 29 and 30
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调味品组评价的科学见解21 Scientific Opinion on Flavouring Group Evaluation 21, 修订版4(fge.21rev4) Revision 4 (FGE.21Rev4): 噻唑类 Thiazoles, thiophenes, 噻唑啉 thiazoline and 噻吩基 thienyl 衍生品 derivatives from chemical 团体 groups 29 and 30
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调味品组评价的科学见解21 Scientific Opinion on Flavouring Group Evaluation 21, 版本5(fge.21rev5) Revision 5 (FGE.21Rev5): 噻唑类 Thiazoles, thiophenes, 噻唑啉 thiazoline and 噻吩基 thienyl 衍生品 derivatives from chemical 团体 groups 29 and 30
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Epi系统 EPI System: 视图 View
EPA ACToR:毒理学资料 Toxicology Data
EPA物质注册服务(SRS) :注册表 Registry
实验室化学安全摘要 Laboratory Chemical Safety Summary :5743410
国家过敏和传染病研究所 National Institute of Allergy and Infectious Diseases:Data
4-hydroxy-2,5-dimethylthiophen-3-one
chemidplus Chemidplus:0026494100
 
参考资料 References:
 4-hydroxy-2,5-dimethylthiophen-3-one
NIST化学网络书籍 NIST Chemistry WebBook: 搜索INCHI
加拿大国内分公司。清单 Canada Domestic Sub. List:26494-10-0
pubchem(cid) Pubchem (cid):5743410
pubchem(sid) Pubchem (sid):135268247
 
其他资料 Other Information:
(iupac) (IUPAC):元素的原子量2009 Atomic Weights of the Elements 2009
(iupac) (IUPAC):元素的原子量2009(pdf) Atomic Weights of the Elements 2009 (pdf)
影片 Videos:元素周期表 The Periodic Table of Videos
RBC :本网站使用的原子量 Atomic Weights use for this web site
(iupac) (IUPAC):元素周期表 Periodic Table of the Elements
hmdb(人类代谢组数据库) HMDB (The Human Metabolome Database):搜索 Search
化学蜘蛛 ChemSpider:视图 View
 
潜在搅拌机 Potential Blenders and core 组件 components note
没找到 None found
 
潜在用途 Potential Uses:
没找到 None found
 
存在(自然 Occurrence (nature, 餐饮 food, 其他) other):note
 自然界中找不到 not found in nature
 
同义词 Synonyms:
4-hydroxy-2,5-dimethyl thiophen-3-one
4-hydroxy-2,5-二甲基 5-dimethyl-3(2h)-噻吩 3(2H)-thiophenone
4-hydroxy-2,5-dimethylthiophen-3-one
4-hydroxy-2,5-dimethylthiophen-3(2H)-one
3(2H)-thiophenone, 4-hydroxy-2,5-二甲基 5-dimethyl-
 

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