1. chem960
  2. 107-43-7
Introduction

甜菜碱又称三甲胺乙内酯、甜菜素、三甲铵乙内盐,为甘氨酸的季铵衍生物,是氨基酸氨基上的氢被甲基取代后形成的一类氮甲基化合物或三甲基内盐。

常见的有甘氨酰甜菜碱,β-丙氨酰甜菜碱和脯氨酰甜菜碱。由乙醇中得棱柱状晶体或叶片状晶体,具有甜味,易潮解。熔点293℃,300℃时分解,能溶于水、甲醇乙醇,难溶于乙醚,在熔点时能异构为二甲氨基乙酸甲酯,从游离酸HO—N(CH3)3—CH2COOH的水溶液中得其一水合物的晶体,它在100℃时失水生成甜菜碱,在酸中稳定。与浓氢氧化钾水溶液作用得三甲胺

与糖产生美拉德反应(褐变反应)。存在于甜菜根和棉籽等植物中,有刺鲨鱼之肉和蟹精汁等动物质中也含有。可由甜菜制糖母液中回收。也可由氨基乙酸的甲基化或由氯乙酸与三甲胺作用而成。临床上将其与N-脒基甘氨酸共用,治疗重症肌无力,分析化学上也用作鉴定金的试剂。本品为甜菜碱型两性表面活性剂,用作还原染料染色用匀染剂。在干旱或盐逆境中,许多植物体内积累甜菜碱,成为渗透调节的主要有机溶质,对蛋白质和细胞膜有保护作用。

无色结晶或白色结晶性粉末,无臭,有甜味。熔点293℃(分解)。易潮解,1g本品能溶于0.63g水、1.8g甲醇、11.5g乙醇,微溶于乙醚。浓碱中会分解出三甲胺

Names and Identifiers
  • Betaine
  • N-TRIMETHYLGLYCINE HYDROXIDE
  • OXYNEURINE
  • TRIMETHYLGLYCINE
  • TRIMETHYLGLYCOCOLL
  • (CARBOXYMETHYL)TRIMETHYLAMMONIUM HYDROXIDE ANHYDRIDE
  • (CARBOXYMETHYL)TRIMETHYLAMMONIUM HYDROXIDE INNER SALT
  • BET
  • Betaine Anhydrous
  • 1, 4 - butanediol
  • CAB
  • FRUCTUS LYCII EXTRACT
  • (CarboxyMethyl)triMethyl aMMoniuM hydrochloride inner salt
  • (Carboxymethyl)trimethylammonium inner salt
  • (Carboxymethyl)trimethylammonium inner salt,Oxyneurine
  • 1-Carboxy-N,
  • 2-N,N,N-trimethylammonio acetate
  • Abromine
  • Additive Screening
  • Aminocoat
  • Betain
  • DiMethyl sarcosine
  • Glycine betaine
  • Glycocoll betaine
  • jortaine
  • LYCINE
  • rubrinec
  • TriMethyl glycocoll anhydride
  • trimethylammonioacetate
  • wolfberry Extract
  • 2-(Trimethylammonio)ethanoic acid hydroxide inner salt
  • Methanaminium
  • βine
  • taine
  • Barbury Wolfberry fruit Extract
  • Rubrine C
  • Glycylbetaine
  • acidin-pepsin
  • alpha-Earleine
  • Cystadane
  • Trimethylaminoacetic acid
  • Loramine AMB 13
  • N,N,N-trimethylglycine
  • Trimethylaminoacetate
  • Glycine, trimethylbetaine
  • Betaine hydrochloride
  • 2-(trimethylazaniumyl)acetate
  • (Trimethylammonio)acetate
  • BETAINE, ANHYDROUS
  • Betafin
  • 2-(Trimethylammonio)Acetate
  • Glykokollbetain [German]
  • Methanaminium, 1-ca
  • Methanaminium, 1-carboxy-N,N,N-trimethyl-
  • Betaine Solution
  • MDL:MFCD00012123
  • InChIKey:KWIUHFFTVRNATP-UHFFFAOYSA-N
  • Inchi:1S/C5H11NO2/c1-6(2,3)4-5(7)8/h4H2,1-3H3
  • SMILES:[O-]C(C([H])([H])[N+](C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H])=O
  • BRN:3537113
Chemical and Physical Properties

Computed Properties

  • Exact Mass: 117.15g/mol
  • Surface Charge: 0
  • XLogP3: 0.5
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 2
  • Rotatable Bond Count: 1
  • Exact Mass: 117.078979g/mol
  • Monoisotopic Mass: 117.078979g/mol
  • Topological Polar Surface Area: 40.1Ų
  • Heavy Atom Count: 8
  • Complexity: 87.6
  • Isotope Atom Count: 0
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count: 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Covalently-Bonded Unit Count: 1
  • 拓扑极表面积: 40.1
  • 同位素原子计数: 0
  • 互变异构体数量: none
  • 表面电荷: 0

Experimental Properties

  • Dissociation Constants:pKa = 2.38 (est)
  • Taste: Sweet
  • LogP: -1.55750
  • PSA: 40.13000
  • Merck: 1179
  • 折射率: 1.4206 (estimate)
  • 水溶性: 160 g/100 mL
  • 沸点: 218.95°C (rough estimate)
  • FEMA: 4223 | BETAINE
  • 浓度: 5 M
  • 稳定性: Stable. Hygroscopic. Incompatible with strong oxidizing agents.
  • 溶解性: 能溶于水、甲醇、乙醇,微溶于乙醚。
  • 敏感性: Hygroscopic
  • 酸度系数(pKa): 1.83(at 0℃)
  • 密度: 1.00 g/mL at 20 °C
Security Information
  • RTECS号:DS5900000
  • WGK Germany:3
  • 安全术语:S24/25
  • 安全说明:S24/25
  • 风险术语:R20/21/22
  • 危險品標誌: Xn Xn
  • 危险品运输编号:25kgs
  • 危害声明:H315; H319; H335
  • 警示性声明:P261; P264; P271; P280; P302+P352; P304+P340; P305+P351+P338; P312; P321; P332+P313; P337+P313; P362; P403+P233; P405; P501
  • 储存条件:2-8°C
  • 危险类别码:R20/21/22:吸入、皮肤接触和不慎吞咽有害。 R36/37/38:对眼睛、呼吸道和皮肤有刺激作用。
  • 信号词:Warning
  • TSCA:Yes
  • FLUKA BRAND F CODES:3-10
Customs Data
  • 海关数据:

    中国海关编码:

    2923900090

    概述:

    2923900090 其他季铵盐及季铵碱。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:6.5%。普通关税:30.0%

    申报要素:

    品名, 成分含量, 用途

    Summary:

    2923900090 other quaternary ammonium salts and hydroxides。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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    (CAS:107-43-7)betaine anhydrous

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T3243-5g 99.96% 上海现货 5g ¥ 418 15 Sep. 2023
T3243-1g 99.96% 上海现货 1g ¥ 291 15 Sep. 2023
T3243-1 mL * 10 mM (in DMSO) 99.96% 上海现货 1 mL * 10 mM (in DMSO) ¥ 167 15 Sep. 2023
T3243-50 mg 99.96% 上海现货 50mg ¥ 150 11 Jul. 2023
Brand:scbt Supplier:圣克鲁斯生物技术
No. Purity Stock Specification Price update time operate
sc-214595E-5kg ≥98% 5kg ¥4212.00 05 Sep. 2023
sc-214595D-2.5kg ≥98% 2.5kg ¥2407.00 05 Sep. 2023
sc-214595C-1kg ≥98% 1kg ¥1128.00 05 Sep. 2023
sc-214595B-250g ≥98% 250g ¥376.00 05 Sep. 2023
sc-214595A-100g ≥98% 100g ¥278.00 05 Sep. 2023
sc-214595-50g ≥98% 50g ¥218.00 05 Sep. 2023
sc-214595E-5 kg ≥98% 5kg ¥4,212.00 11 Jul. 2023
sc-214595D-2.5 kg ≥98% 2.5 kg ¥2,407.00 11 Jul. 2023
sc-214595C-1 kg ≥98% 1kg ¥1,128.00 11 Jul. 2023
sc-214595B-250 g ≥98% 250g ¥376.00 11 Jul. 2023
sc-214595A-100 g ≥98% 100g ¥278.00 11 Jul. 2023
sc-214595-50 g ≥98% 50g ¥218.00 11 Jul. 2023
Brand:乐研 Supplier:上海皓鸿生物医药科技有限公司
No. Purity Stock Specification Price update time operate
1079620-1kg 97% 上海:--/安徽:8/武汉:2/成都:3/天津:/深圳: 1kg ¥222 17 Apr. 2023
1079620-500g 97% 上海:3/安徽:9/武汉:4/成都:5/天津:/深圳: 500g ¥121 17 Apr. 2023
Brand:Key Organics Supplier:Key Organics Ltd
No. Purity Stock Specification Price update time operate
AS-12941-10MG >98% Same Day Despatch 10mg £51.00/ ¥425.04 08 Sep. 2023
AS-12941-5MG >98% Same Day Despatch 5mg £42.00/ ¥350.04 08 Sep. 2023
AS-12941-1MG >98% Same Day Despatch 1mg £36.00/ ¥300.03 08 Sep. 2023
Brand:TCI Supplier:梯希爱(上海)化成工业发展有限公司
No. Purity Stock Specification Price update time operate
B0455-500G >97.0%(T) 上海:≥40/天津:≥40/日本:38 500g ¥820.00 08 Sep. 2023
B0455-100G >97.0%(T) 上海:14/天津:1/日本:9 100g ¥295.00 08 Sep. 2023
B0455-25G >97.0%(T) 上海:36/天津:1/日本:≥40 25g ¥145.00 08 Sep. 2023
Brand:Acmec Supplier:上海吉至生化科技有限公司
No. Purity Stock Specification Price update time operate
B57950-500g 98% 现货 500g ¥148.0 28 Apr. 2022
B57951-20mg 20mg ¥48.0 28 Apr. 2022
Brand:topscience Supplier:上海陶术生物科技有限公司
No. Purity Stock Specification Price update time operate
T3243-1 mL * 10 mM (in DMSO) 99.96% 上海现货 1 mL * 10 mM (in DMSO) ¥192.00 26 Apr. 2022
T3243-200 mg 99.96% 上海现货 200mg ¥1817.00 26 Apr. 2022
T3243-100 mg 99.96% 上海现货 100MG ¥1298.00 26 Apr. 2022
T3243-50 mg 99.96% 上海现货 50mg ¥976.00 26 Apr. 2022
T3243-25 mg 99.96% 上海现货 25mg ¥683.00 26 Apr. 2022
T3243-10 mg 99.96% 上海现货 10mg ¥346.00 26 Apr. 2022
T3243-5 mg 99.96% 上海现货 5mg ¥192.00 26 Apr. 2022
Brand:源叶 Supplier:上海源叶生物科技有限公司
No. Purity Stock Specification Price update time operate
B21244-20mg 分析标准品,HPLC≥98% 上海:>10/北京:0/武汉:4/南京:4 20mg ¥50.00 02 Sep. 2021
S18046-500g 超纯,99% 上海:>10/北京:0/武汉:0/南京:2 500g ¥150.00 07 Jan. 2022
S18046-100g 超纯,99% 上海:>10/北京:4/武汉:0/南京:0 100g ¥50.00 07 Jan. 2022
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