4430-20-0
中文名稱
氯酚紅
英文名稱
Chlorophenol Red
CAS
4430-20-0
EINECS 編號(hào)
224-619-2
分子式
C19H12Cl2O5S
MDL 編號(hào)
MFCD00005877
分子量
423.27
MOL 文件
4430-20-0.mol
更新日期
2026/06/24 17:29:08
4430-20-0 結(jié)構(gòu)式
基本信息
中文別名
4,4’-(3H-2,1-苯并惡硫羥-3-亞基)雙(2-氯苯酚)-S,S-二氧化物二氯苯酚磺酰酞
二氯酚磺酞
氯酚紅
3,3′-二氯苯酚磺酰酞
二氯酚磺酚
鄰氯酚紅
3,3ˊ-二氯苯酚磺酰酞
3',3"-二氯酚磺酞
英文別名
3',3''-DICHLOROPHENOLSULFONAPHTHALEIN3,3'-DICHLOROPHENOL SULFONEPHTHALEIN
3',3''-DICHLOROPHENOLSULFONEPHTHALEIN
3',3'-DICHLOROPHENOLSULFONEPHTHALEIN
3',3''-DICHLOROPHENOLSULFONPHTHALEIN
3',3''-DICHLOROPHENYLSULFONPHTHALEIN
BETZ 0416
CHLOROPHENOL RED
CPR
DICHLOROPHENOLSULFONEPHTHALEIN
TIMTEC-BB SBB005925
4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(2-chlorophenol)s,s-dioxide
chlorphenolred
Dichlorophenolsulfonphthalein
Phenol,4,4’-(3H-2,1-benzoxathiol-3-ylidene)bis(2-chloro-,S,S-dioxide
phenol,4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis[2-chloro-,s,s-dioxide
rougedechlorophenol
alpha-(3-chloro-4-hydroxyphenyl)-alpha-(3-chloro-4-oxocyclohexa-2,5-dienylidene)toluene-2-sulphonicacid
Chlorophenol red (0.04 in water)
Chlorophenol red (0.1% in ca. 20% in ethanol)
所屬類別
生物化工：酸堿指示劑物理化學(xué)性質(zhì)
外觀性狀黃棕色粉末。熔點(diǎn)261-262℃。溶于乙醇和稀堿液，微溶于水，不溶于醚和苯。
熔點(diǎn)261 °C
沸點(diǎn)583.0±50.0 °C(Predicted)
堆積密度720kg/m3
密度1.4641 (estimate)
儲(chǔ)存條件Store below +30°C.
溶解度微溶于水；溶于乙醇
酸度系數(shù)(pKa)6.0(at 25℃)
形態(tài)液體
顏色白色至奶油色
PH值4.8-6.7, yellow to violet
酸堿指示劑變色ph值范圍4.8(yellow)-6.8(red)
水溶解性insoluble
ε(消光系數(shù))≥12000 at 295-301nm in 0.1 M NaOH
≥45000 at 573-579nm in 0.1 M NaOH
≥5000 at 368-374nm in 0.1 M NaOH
≥45000 at 573-579nm in 0.1 M NaOH
≥5000 at 368-374nm in 0.1 M NaOH
最大波長(λmax)572nm
BRN354053
主要應(yīng)用Waveguide, sol-gel matrix, display device, tin electroplating process, inks, lubricants, detergents, preservation of cut flowers, cosmetics, identifying fresh and stale rice, determining acidity in wine, food storage, detecting lactic acid bacteria, enzyme assays, diagnosis of bacterial and fungal infection, oral hygiene products
InChI1S/C19H12Cl2O5S/c20-14-9-11(5-7-16(14)22)19(12-6-8-17(23)15(21)10-12)13-3-1-2-4-18(13)27(24,25)26-19/h1-10,22-23H
InChIKeyWWAABJGNHFGXSJ-UHFFFAOYSA-N
SMILESOc1ccc(cc1Cl)C2(OS(=O)(=O)c3ccccc23)c4ccc(O)c(Cl)c4
CAS 數(shù)據(jù)庫4430-20-0(CAS DataBase Reference)
安全數(shù)據(jù)
警示詞警告
危險(xiǎn)性描述H335-H315-H319
危險(xiǎn)品標(biāo)志Xi
危險(xiǎn)類別碼R36/37/38
安全說明S26-S37/39
WGK Germany3
TSCAYes
海關(guān)編碼29349990
存儲(chǔ)類別11 - Combustible Solids
危險(xiǎn)性類別Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
Skin Irrit. 2
STOT SE 3
應(yīng)用領(lǐng)域
用途一
酸堿指示劑。用途二
酸堿指示劑，變色范圍pH值4.8(黃)～6.4(紫紅)。吸附指示劑。汞量滴定法中測定氯和溴(對(duì)溴極靈敏,由黃到紫)。食品變質(zhì)檢驗(yàn)。γ射線、Ｘ射線和快中子劑量計(jì)的指示劑（可以指出鹽酸在照射后分解出三氯乙烯或氯仿的量）知名試劑公司產(chǎn)品信息
Acros Organics
氯酚紅Chlorophenol Red, indicator grade, pure(4430-20-0)
Alfa Aesar
氯酚紅Chlorophenol Red(4430-20-0)
Sigma Aldrich
4430-20-0(sigmaaldrich)