High Quality Fine Chemicals


pH Indicators, Scintillation and General Reagents

We carry products that are pH indicators, scintilltors, and general reagents. These fine chemicals are sold wholesale to manufacturers and laboratory supply retailers. All products are sold to exact specifications.


Curtiss Laboratories can provide same day shipment as most of our products are in stock.

Custom Solution Blending

Indicators can be purchased in concentrated solutions for ease of handling and result in a cleaner and more efficient operation.

Special Packaging

We supply our products in custom packaging based on your requirements. This eliminates the need for weighing at the point of manufacture as well as results in less color contamination. We can provide Safety Data Sheets and Certificate of Analysis with each order.




Curtiss Laboratories has been a manufacturer of fine chemicals since 1963. Our quality is the highest available, meeting scintillation or ACS specifications where applicable. Our small size and bulk sales policy enables us to offer competitive pricing.  For over 50 years, Curtiss Laboratories has been meeting our customers' varied requirements with cooperation, innovation and attention to special needs.


Supplying customers with high quality chemicals and providing an excellent customer service experience. 


Products sold are of the highest purity. Curtiss Laboratories sells chemicals that meet the American Chemical Society specification requirements (ACS). Pre-ship samples are provided to customers for approval of each lot. 


Product Line


PPO 2,5 Diphenyloxazole

bis-MSB 1, 4 bis (2 Methylstyryl) Benzene

POPOP 1,4 bis [2-(5-Phenyloxazolyl)] Benzene

DiMe POPOP 1,4 bis [2-(4-Methyl-5 Phenyloxazolyl)] Benzene

Butyl PBD 2-(4-T-Butylphenyl) 5- (4-Biphenylyl) 1,3,4 Oxadiazole

BBOT 2,5 Bis-5'-Tert-Butyl- Benzoxazolyl (2') Thiophene

BBQ 7H-benzimidazo (2, 1-a) benz (de) isoquinoline-7-one

PBBO 2-(4-Biphenylyl) 6-phenyl benzoxazole

BDB 4,4'- Bis- (2,5- dimethylstyryl)- diphenyl






Bromocresol Green- Free Acid, Sodium Salt                                 Diacetyl Monoxime (2,3 Butanedione Monoxime)

Bromocresol Purple- Free Acid, Sodium Salt                                2,6 Dichlorophenol-Indophenol, Sodium Salt

Bromophenol Blue- Free Acid, Sodium Salt                                  p-Dimethylaminobenzaldehyde (Ehrlich's Reagent)

Bromothymol Blue- Free Acid, Sodium Salt                                  Dimethyl Glyoxime- Free Acid, Sodium Salt

meta-Cresol Purple                                                                          Dithiothreitol (DDT- Cleland's Reagent)

Fluorescein- Sodium Salt                                                                DPD Oxalate (N,N-Diethyl-p-phenylenediamine Ox)

Gentian Violet C.I. 42555                                                                  DPD Sulfate (N,N-Diethyl-p-phenylenediamine 

Giemsa Stain                                                                                                                                              Sulfate)

Infrared Absorbing Dyes                                                                  HABA Dye- 2-(4'-Hydroxyazobenzene)- Benzoic 

Leishman's Stain                                                                                                                                  Acid)

Methylene Blue                                                                                 o-Iodobenzoic Acid

Methyl Orange                                                                                  o-Phthalaldehyde

Methyl Red- Neutral, Sodium Salt, Hydrochloride                       1, 10-Phenanthroline Monohydrate

Methyl Thymol Blue                                                                         

Neutral Red

Phenol Red- Free Acid, Sodium Salt

Rosolic Acid

Thymol Blue- Free Acid, Sodium Salt


Contact Us To        Order

Tel: 215-245-8833
Fax: 215-638-1452
100 Steamwhistle Drive
Ivyland, Pa 18974