CAS 149-87-1; DL-焦谷氨酸; DL-2-Pyrrolidinone-5-carboxylic acid

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D815820

MACKLIN

DL-焦谷氨酸

98%

28元/25g; 35元/100g; 85元/500g; 360元/2.5kg; 2424元/25kg;

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储存：室温
状态：白色到浅黄色粉末

P6074

MACKLIN

DL-焦谷氨酸

99%生物技术级

35元/25g; 49元/100g; 178元/500g; 608元/2.5kg;

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储存：室温
状态：白色到浅黄色粉末

G0061

TCI

DL-Pyroglutamic Acid

>99.0%(T)

200元/25G; 350元/100G; 890元/500G;

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基本信息

纯度/分析方法	>99.0%(T)
分子式/分子量	C₅H₇NO₃ = 129.12
外观与形状(20℃)	固体
Reaxys-RN	82131
PubChem物质ID	87570275
SDBS (AIST Spectral DB)	4073
MDL编号	MFCD00064322

技术规格

Appearance	White powder to crystal
Purity(HPLC)	min. 98.0 area%
Purity(Neutralization titration)	min. 99.0 %
Melting point	182.0 to 186.0 ℃
Specific rotation [a]20/D	-0.5 to +0.5 deg(C=5, water)
Solubility in Water	almost transparency

物性(参考值)

熔点	184 ℃
水溶性	可溶

安全信息

图形或危害标志
信号词	警告
危险性说明	H315 : 造成皮肤刺激。 H319 : 造成严重眼刺激。
防范说明	P264 : 作业后彻底清洗皮肤。 P280 : 戴防护手套/戴防护眼罩/戴防护面具。 P302 + P352 : 如皮肤沾染：用水充分清洗。 P337 + P313 : 如仍觉眼刺激：求医/就诊。 P305 + P351 + P338 : 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。 P362+P364 : 脱掉沾污的衣服，清洗后方可重新使用。 P332 + P313 : 如发生皮肤刺激：求医/就诊。

198980

J&K

Pyroglutamic acid

98.5%

80元/5G; 148元/100G;

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基本信息

分子式	C₅H₇NO₃
分子量	129.11
熔点	182-185
MDL编码	MFCD00064322
Beilstein	82131
EINECS 编号	205-748-3

安全信息

图形或危害标志
提示语	Warning
危险说明	H302 H315 H319 H335
防范说明	P261 P305+P351+P338
WGK	3
TSCA	否

L09424

Alfa Aesar

(±)-2-Pyrrolidinone-5-carboxylic acid

99%

459元/50g; 1957元/250g;

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应用
It is an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dyestuffs.

备注
Store in cool dry condition. Incompatible with strong oxidizing agents.

基本信息

MDL
MFCD00064322

EINECS
205-748-3

分子式
C₅H₇NO₃

分子量
129.12

熔点
183-185°

灵敏度
Ambient temperatures.

溶解性
Soluble in water. (almost transparency)

Beilstein
82131

GHS危害和防范说明

GHS符号

Hazard Statements
H315-H318-H335
Causes skin irritation.Causes serious eye damage.May cause respiratory irritation.

Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
37/38-41
Irritating to respiratory system and skin.Risk of serious damage to eyes.

安全等级
26-37/39
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves and eye/face protection.

TSCA
否

292915

Sigma-Aldrich

2-Pyrrolidone-5-carboxylic Acid

99%

254.58元/5 G; 975.86元/100 G;

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基本信息

经验(实验)分子式	C₅H₇NO₃
分子量	129.11
Beilstein	82134
EC 号	205-748-3
MDL编号	MFCD00064322
PubChem化学物质编号	24857617
NACRES	NA.22

产品性质

质量水平	200
测定	99%
reaction suitability	reaction type: solution phase peptide synthesis
mp	183-185 ℃ (lit.)
application(s)	peptide synthesis
SMILES string	OC(=O)C1CCC(=O)N1
InChI	1S/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)
InChI key	ODHCTXKNWHHXJC-UHFFFAOYSA-N

安全信息

储存分类代码	11 - Combustible Solids
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable
个人防护装备	dust mask type N95 (US), Eyeshields, Gloves

214708

Fluorochem

5-Oxopyrrolidine-2-carboxylic Acid

95%

264元/100g;

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基本信息

CAS Number	149-87-1
MDL Number	MFCD00064322
Melting Point	184℃

安全信息

图形或危害标志
危险性说明	H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation.
防范说明	P233: Keep container tightly closed. P260: Do not breathe . P261: Avoid breathing . P264: Wash hands thoroughly after handling. P271: Use only outdoors or in a well-ventilated area. P280: Wear . P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P312: Call a POISON CENTER or doctor/physician if you feel unwell. P321: Specific treatment (see relevant procedures. on this label). P332 + P313: If skin irritation occurs: Get medical advice/ attention. P337 + P313: If eye irritation persists: Get medical advice/attention. P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P362: Take off contaminated clothing and wash before reuse. P403: Store in a well-ventilated place. P403 + P233: Store in a well-ventilated place. Keep container tightly closed. P405: Store locked up. P501: Dispose of contents/container to in accordance with local regulation .