| Identification | More | [Name]
N-Cyclohexyl-3-aminopropanesulfonic acid | [CAS]
1135-40-6 | [Synonyms]
3-(CYCLOHEXYLAMINO)-1-PROPANESULFONIC ACID
3-(CYCLOHEXYLAMINO)-1-PROPANESULPHONIC ACID
3-CYCLOHEXYLAMINO-PROPANE-1-SULFONIC ACID
3-CYCLOHEXYLAMINOPROPANESULFONIC ACID
BUFFER SOLUTION, PH 10.0
BUFFER SOLUTION, PH 10.5
BUFFER SOLUTION, PH 11.0
CAPS
CYCLOHEXYLAMINOPROPANESULFONIC ACID
LABOTEST-BB LT00159602
3-(cyclohexylamino)-1-propanesulfonic
3-(cyclohexylamino)-1-propanesulfonicaci
CAPS 3-(Cyclohexylamino)-1-propanesulfonic acid
CAPS, Molecular Biology Grade 3-(Cyclohexylamino)-1-propanesulfonic acid, Molecular Biology Grade
CAPS, ULTROL Grade
3-cyclohexylaminopropane-1-sulphonic acid
CAPS, 99% (3-CYCLOHEXYLAMINO-1-PROPANE-S ULFONIC ACID)
CHOLESTERYL PALMITATE 98+%
3-(CYCLOHEXYLAMINO)-PROPANE SULFONIC ACID (CAPS)
CAPS, MOLECULAR BIOLOGY GRADE | [EINECS(EC#)]
214-492-1 | [Molecular Formula]
C9H19NO3S | [MDL Number]
MFCD00003837 | [Molecular Weight]
221.32 | [MOL File]
1135-40-6.mol |
| Chemical Properties | Back Directory | [Appearance]
White/clear crystalline powder | [Melting point ]
>300 °C(lit.)
| [bulk density]
400kg/m3 | [density ]
1.1809 (rough estimate) | [vapor pressure ]
0Pa at 25℃ | [refractive index ]
1.5250 (estimate) | [Fp ]
>110℃ | [storage temp. ]
Store at RT. | [solubility ]
H2O: 0.5 M at 20 °C, clear
| [form ]
Powder/Solid | [color ]
White | [Odor]
Odorless | [PH]
3.0-7.0 (20℃, 0.5M in H2O) | [PH Range]
3 - 7 | [pka]
10.4(at 25℃) | [Stability:]
Stable. Incompatible with strong oxidizing agents. | [Water Solubility ]
9 g/100 mL (20 ºC) | [λmax]
λ: 260 nm Amax: ≤0.04
λ: 280 nm Amax: ≤0.04 | [Merck ]
14,1767 | [BRN ]
2835588 | [LogP]
0.3 at 25℃ | [CAS DataBase Reference]
1135-40-6(CAS DataBase Reference) | [EPA Substance Registry System]
1135-40-6(EPA Substance) | [Absorption]
≤0.2 at 260 in H2O at 0.5M
≤0.2 at 280 in H2O at 0.5M |
| Safety Data | Back Directory | [Hazard Codes ]
Xi,Xn | [Risk Statements ]
R36/38:Irritating to eyes and skin .
R36/37/38:Irritating to eyes, respiratory system and skin .
R22:Harmful if swallowed.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S37/39:Wear suitable gloves and eye/face protection .
S24/25:Avoid contact with skin and eyes .
S22:Do not breathe dust .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S36:Wear suitable protective clothing . | [WGK Germany ]
3
| [RTECS ]
TZ6395000
| [F ]
34 | [TSCA ]
Yes | [HS Code ]
29213000 |
| Hazard Information | Back Directory | [Chemical Properties]
White/clear crystalline powder | [Description]
3-Cyclohexylaminopropanesulfonic Acid, also known as 3-(Cyclohexylamino)-1-propanesulfonic acid (CHAPS) or N-Cyclohexyl-3-aminopropanesulfonic acid, is a detergent with a high affinity for basic proteins that can be used to extract these proteins from biological samples and solubilize them. CHAPS is a type of ampholyte, which means it has both anionic and cationic groups. | [Uses]
Biological buffer. | [Definition]
ChEBI: Cyclohexylaminopropanesulfonic acid is an amine. | [Flammability and Explosibility]
Notclassified | [References]
[1] David A. Paulls, A. Townshend. “Sensitized determination of sulfite using flow injection with chemiluminescent detection.” Analyst 6 1 (1995): 467–469.
[2] Takashi Yoshitake. “Simultaneous determination of norepinephrine, serotonin, and 5-hydroxyindole-3-acetic acid in microdialysis samples from rat brain by microbore column liquid chromatography with fluorescence detection following derivatization with benzylamine.” Analytical biochemistry 312 2 (2003): 125–33.
[3] Keiichi Fujimori. “Determination of Sulfide with Acidic Permanganate Chemiluminescence for Development of Deep-sea in-situ Analyzers.” Analytical Sciences 27 2 (2011): 183–186.
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