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ä½ç½®ï¼šé¦–页 > 资料中心 > 化工字典 > 29490-19-5
关键è¯:       仅模糊查询
CAS: 29490-19-5
分å­å¼: C2H2N2S
分å­é‡: 86.12
熔点: 185-188℃
中文åç§°: 
噻二唑
2-巯基-5-甲基-1,3,4-噻二唑
甲基巯基噻二唑
2-甲基-5-巯基-1,3,4-噻二唑
英文åç§°: 
5-Methyl-1,3,4-thiadiazole-2-thiol
2-Mercapto-5-methyl-1,3,4-thiadiazde
methyl mercapto thiadiazole
Thiadiazole
2-mercapto-5-methyl-1,3,4-thiadiazole
2-mercapto-5-methyl-1,3,4thiadiazole
1,3,4-thiadiazole
1,3,4-Thiadiazol
[1,3,4]Thiadiazole
1,3.4-Thiadiazole
性质æè¿°: ç™½è‰²ç»“晶性粉末。熔点184℃。
生产方法: ç”±ä¹™é…¸ä¹™é…¯ç»è‚¼åŒ–ã€åŠ æˆã€çޝåˆè€Œå¾—ã€‚å°†ä¹™é…¸ä¹™é…¯ã€æ°´åˆè‚¼å’Œæ— æ°´ä¹™é†‡åŠ çƒ­å›žæµå应5h,得乙酰肼乙醇溶液。然åŽç»å†·å´ã€‚加入二硫化碳,在25â„ƒæ…æ‹Œå应1h。å†ç»å†·å´ã€é™ç½®ã€è¿‡æ»¤ã€‚滤饼用无水乙醇洗涤,得N-乙酰肼基二硫代甲酸钾。低温干燥åŽï¼Œå°†å…¶åˆ†æ¬¡åŠ å…¥-5℃以下的浓酸中,在ä¸è¶…过5â„ƒçš„æ¸©åº¦ä¸‹æ…æ‹Œå应。然åŽå°†å应物冰æžã€è¿‡æ»¤ï¼Œæ»¤é¥¼ç”¨å¤§é‡å†°æ°´æ´—去游离的硫酸,å†ç»ä½Žæ¸©çœŸç©ºå¹²ç‡¥ï¼Œå¾—噻二唑。
用途: è¯¥å“是抗èŒç´ ç±»è¯ç‰©å¤´å­¢èŒç´ V的中间体。
推è供应商
è´§å·å“牌产å“å称规格包装ã€å‚考价格
M812783MACKLIN2-巯基-5-甲基-1,3,4-噻二唑99%30å…ƒ/25g;   79å…ƒ/100g;   262å…ƒ/500g;   1235å…ƒ/2.5kg;   咨询
储存:室温
状æ€ï¼šç™½è‰²-略淡黄色晶体-粉末
M0976TCI5-Methyl-1,3,4-thiadiazole-2-thiol>98.0%(T)210å…ƒ/25G;   咨询

基本信æ¯

纯度/åˆ†æžæ–¹æ³•>98.0%(T)
分å­å¼/分å­é‡C3H4N2S2 = 132.20
外观与形状(20℃)固体
Reaxys-RN606663
PubChem物质ID87572956
SDBS (AIST Spectral DB)18940
MDLç¼–å·MFCD00038349

技术规格

AppearanceWhite to Light yellow powder to crystal
Purity(HPLC)min. 98.0 area%
Purity(Neutralization titration)min. 98.0 %
Melting point184.0 to 188.0 ℃

物性(å‚考值)

熔点186 ℃

安全信æ¯

图形或å±å®³æ ‡å¿—
ä¿¡å·è¯è­¦å‘Š
å±é™©æ€§è¯´æ˜ŽH302 + H312 + H332 : åžå’½ã€çš®è‚¤æŽ¥è§¦æˆ–å¸å…¥æœ‰å®³ã€‚
H315 : 造æˆçš®è‚¤åˆºæ¿€ã€‚
H319 : 造æˆä¸¥é‡çœ¼åˆºæ¿€ã€‚
防范说明P501 : 将内装物/容器é€åˆ°æ‰¹å‡†çš„废物处ç†åނ处ç†ã€‚
P261 : é¿å…å¸å…¥ç²‰å°˜/烟/气体/烟雾/蒸气/喷雾。
P270 : ä½¿ç”¨æœ¬äº§å“æ—¶ä¸è¦è¿›é£Ÿã€é¥®æ°´æˆ–å¸çƒŸã€‚
P271 : åªèƒ½åœ¨å®¤å¤–或通风良好之处使用。
P264 : 作业åŽå½»åº•清洗皮肤。
P280 : 戴防护手套/穿防护æœ/戴防护眼罩/戴防护é¢å…·ã€‚
P337 + P313 : 如ä»è§‰çœ¼åˆºæ¿€ï¼šæ±‚医/就诊。
P305 + P351 + P338 : 如进入眼ç›ï¼šç”¨æ°´å°å¿ƒå†²æ´—几分钟。如戴éšå½¢çœ¼é•œå¹¶å¯æ–¹ä¾¿åœ°å–出,å–出éšå½¢çœ¼é•œã€‚继续冲洗。
P362+P364 : 脱掉沾污的衣æœï¼Œæ¸…æ´—åŽæ–¹å¯é‡æ–°ä½¿ç”¨ã€‚
P332 + P313 : 如å‘生皮肤刺激:求医/就诊。
P301 + P312 + P330 : 如误åžå’½ï¼šå¦‚感觉ä¸é€‚ï¼Œå‘¼å«æ€¥æ•‘中心/医生。漱å£ã€‚
P302 + P352 + P312 : 如皮肤沾染:用水充分清洗。如感觉ä¸é€‚ï¼Œå‘¼å«æ€¥æ•‘中心/医生。
P304 + P340 + P312 : 如误å¸å…¥ï¼šå°†äººè½¬ç§»åˆ°ç©ºæ°”æ–°é²œå¤„ï¼Œä¿æŒå‘¼å¸èˆ’适体ä½ã€‚如感觉ä¸é€‚ï¼Œå‘¼å«æ€¥æ•‘中心/医生。
107325J&K2-Mercapto-5-methyl-1,3,4-thiadiazole99%60å…ƒ/5G;   181å…ƒ/25G;   404å…ƒ/100G;   1612å…ƒ/500G;   咨询

基本信æ¯

分å­å¼C3H4N2S2
分å­é‡132.21
熔点188-189
MDLç¼–ç MFCD00038349
Beilstein606663
EINECS ç¼–å·249-667-1

安全信æ¯

图形或å±å®³æ ‡å¿—
æç¤ºè¯­Warning
å±é™©è¯´æ˜ŽH315
H319
H335
防范说明P261
P305+P351+P338
WGK3
TSCAå¦
B21355Alfa Aesar2-Mercapto-5-methyl-1,3,4-thiadiazole99%885å…ƒ/50g;   3740å…ƒ/250g;   咨询

基本信æ¯

MDL
MFCD00038349

EINECS
249-667-1

分å­å¼
C3H4N2S2

分å­é‡
132.21

熔点
182-185°

çµæ•度
Ambient temperatures.

å½¢æ€
Powder

Beilstein
606663

GHSå±å®³å’Œé˜²èŒƒè¯´æ˜Ž

GHS符å·

Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.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æ¯

å±é™©ç±»åˆ«
36/37/38
Irritating to eyes, respiratory system and skin.

安全等级
26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

TSCA
å¦

PHR2437SupelcoCefazolin Impurity EPharmaceutical Secondary Standard; Certified Reference Material6146.58å…ƒ/100 MG;   咨询

产å“说明

一般æè¿°

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards

分æžè¯´æ˜Ž

These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available.

其他说明

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

附注

To see an example of a Certificate of Analysis for this material enter LRAC4535 in the Documents slot below. This is an example certificate only and may not be the lot that you receive.

基本信æ¯

ç»éªŒ(实验)分å­å¼C3H4N2S2
分å­é‡132.21
MDLç¼–å·MFCD00038349

äº§å“æ€§è´¨

等级certified reference material
pharmaceutical secondary standard
å½¢å¼powder
包装pkg of 100 mg
mp188-189 â„ƒ (lit.)
储存温度2-8℃
SMILES stringCc1nnc(S)s1
InChI1S/C3H4N2S2/c1-2-4-5-3(6)7-2/h1H3,(H,5,6)
InChI keyFPVUWZFFEGYCGB-UHFFFAOYSA-N

安全信æ¯

象形图GHS07
警示用语:Warning
å±é™©å£°æ˜ŽH315 - H319 - H335
预防措施声明P302 + P352 - P305 + P351 + P338
å±é™©åˆ†ç±»Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
é¶å™¨å®˜Respiratory system
储存分类代ç 11 - Combustible Solids
WGKWGK 3
闪点(F)Not applicable
闪点(C)Not applicable
068973Fluorochem5-Methyl-1,3,4-thiadiazole-2-thiol97%286å…ƒ/5g;   550å…ƒ/25g;   1100å…ƒ/100g;   2156å…ƒ/250g;   咨询

基本信æ¯

CAS Number29490-19-5
MDL NumberMFCD00038349
Melting Point186℃

安全信æ¯

图形或å±å®³æ ‡å¿—
å±é™©æ€§è¯´æ˜Ž 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 .
CASå·é¦–æ•°å­—é¡ºåºæŽ’åˆ—ï¼š 1 2 3 4 5 6 7 8 9
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